Home / 28,979,125.60-43,468,688.40-13,862,581.60

Finding the Fourth Proportional to 28,979,125.60, 43,468,688.40 and 13,862,581.60

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Solution

The fourth proportional to 28,979,125.60, 43,468,688.40 and 13,862,581.60 is: 20,793,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,979,125.60 : 43,468,688.40 = 13,862,581.60 : x
  2. Step 2: Convert to fraction form
    28,979,125.60/43,468,688.40 = 13,862,581.60/x
  3. Step 3: Cross multiply
    28,979,125.60x = 43,468,688.40 × 13,862,581.60
  4. Step 4: Simplify right side
    28,979,125.60x = 602,588,239,989,973.38
  5. Step 5: Solve for x
    x = 602,588,239,989,973.38/28,979,125.60
  6. Step 6: Final answer
    x = 20,793,872.40

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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.