Home / 19,440,105.60-29,160,158.40-19,020,201.60

Finding the Fourth Proportional to 19,440,105.60, 29,160,158.40 and 19,020,201.60

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Solution

The fourth proportional to 19,440,105.60, 29,160,158.40 and 19,020,201.60 is: 28,530,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,105.60 : 29,160,158.40 = 19,020,201.60 : x
  2. Step 2: Convert to fraction form
    19,440,105.60/29,160,158.40 = 19,020,201.60/x
  3. Step 3: Cross multiply
    19,440,105.60x = 29,160,158.40 × 19,020,201.60
  4. Step 4: Simplify right side
    19,440,105.60x = 554,632,091,455,933.44
  5. Step 5: Solve for x
    x = 554,632,091,455,933.44/19,440,105.60
  6. Step 6: Final answer
    x = 28,530,302.40

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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.