Home / 20,819,961.02-28,732,444.07-11,527,531.28

Finding the Fourth Proportional to 20,819,961.02, 28,732,444.07 and 11,527,531.28

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Solution

The fourth proportional to 20,819,961.02, 28,732,444.07 and 11,527,531.28 is: 15,908,490.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,819,961.02 : 28,732,444.07 = 11,527,531.28 : x
  2. Step 2: Convert to fraction form
    20,819,961.02/28,732,444.07 = 11,527,531.28/x
  3. Step 3: Cross multiply
    20,819,961.02x = 28,732,444.07 × 11,527,531.28
  4. Step 4: Simplify right side
    20,819,961.02x = 331,214,147,566,475.69
  5. Step 5: Solve for x
    x = 331,214,147,566,475.69/20,819,961.02
  6. Step 6: Final answer
    x = 15,908,490.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.