Home / 19,574,607.60-29,361,911.40-12,772,162.80

Finding the Fourth Proportional to 19,574,607.60, 29,361,911.40 and 12,772,162.80

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Solution

The fourth proportional to 19,574,607.60, 29,361,911.40 and 12,772,162.80 is: 19,158,244.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574,607.60 : 29,361,911.40 = 12,772,162.80 : x
  2. Step 2: Convert to fraction form
    19,574,607.60/29,361,911.40 = 12,772,162.80/x
  3. Step 3: Cross multiply
    19,574,607.60x = 29,361,911.40 × 12,772,162.80
  4. Step 4: Simplify right side
    19,574,607.60x = 375,015,112,519,975.94
  5. Step 5: Solve for x
    x = 375,015,112,519,975.94/19,574,607.60
  6. Step 6: Final answer
    x = 19,158,244.20

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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.