Home / 38,639,397.10-57,959,095.65-20,723,493.10

Finding the Fourth Proportional to 38,639,397.10, 57,959,095.65 and 20,723,493.10

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Solution

The fourth proportional to 38,639,397.10, 57,959,095.65 and 20,723,493.10 is: 31,085,239.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,639,397.10 : 57,959,095.65 = 20,723,493.10 : x
  2. Step 2: Convert to fraction form
    38,639,397.10/57,959,095.65 = 20,723,493.10/x
  3. Step 3: Cross multiply
    38,639,397.10x = 57,959,095.65 × 20,723,493.10
  4. Step 4: Simplify right side
    38,639,397.10x = 1,201,114,918,785,015
  5. Step 5: Solve for x
    x = 1,201,114,918,785,015/38,639,397.10
  6. Step 6: Final answer
    x = 31,085,239.65

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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.