Home / 20,726,901.31-31,117,293.54-15,937,953.61

Finding the Fourth Proportional to 20,726,901.31, 31,117,293.54 and 15,937,953.61

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Solution

The fourth proportional to 20,726,901.31, 31,117,293.54 and 15,937,953.61 is: 23,927,647.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,901.31 : 31,117,293.54 = 15,937,953.61 : x
  2. Step 2: Convert to fraction form
    20,726,901.31/31,117,293.54 = 15,937,953.61/x
  3. Step 3: Cross multiply
    20,726,901.31x = 31,117,293.54 × 15,937,953.61
  4. Step 4: Simplify right side
    20,726,901.31x = 495,945,980,909,272.62
  5. Step 5: Solve for x
    x = 495,945,980,909,272.62/20,726,901.31
  6. Step 6: Final answer
    x = 23,927,647.14

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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.