Home / 19,574,665.60-29,361,998.40-12,772,220.80

Finding the Fourth Proportional to 19,574,665.60, 29,361,998.40 and 12,772,220.80

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Solution

The fourth proportional to 19,574,665.60, 29,361,998.40 and 12,772,220.80 is: 19,158,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574,665.60 : 29,361,998.40 = 12,772,220.80 : x
  2. Step 2: Convert to fraction form
    19,574,665.60/29,361,998.40 = 12,772,220.80/x
  3. Step 3: Cross multiply
    19,574,665.60x = 29,361,998.40 × 12,772,220.80
  4. Step 4: Simplify right side
    19,574,665.60x = 375,017,926,694,046.75
  5. Step 5: Solve for x
    x = 375,017,926,694,046.75/19,574,665.60
  6. Step 6: Final answer
    x = 19,158,331.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.