Home / 28,687,963.32-39,588,376.46-15,634,963.17

Finding the Fourth Proportional to 28,687,963.32, 39,588,376.46 and 15,634,963.17

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Solution

The fourth proportional to 28,687,963.32, 39,588,376.46 and 15,634,963.17 is: 21,575,697.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,687,963.32 : 39,588,376.46 = 15,634,963.17 : x
  2. Step 2: Convert to fraction form
    28,687,963.32/39,588,376.46 = 15,634,963.17/x
  3. Step 3: Cross multiply
    28,687,963.32x = 39,588,376.46 × 15,634,963.17
  4. Step 4: Simplify right side
    28,687,963.32x = 618,962,807,834,020.12
  5. Step 5: Solve for x
    x = 618,962,807,834,020.12/28,687,963.32
  6. Step 6: Final answer
    x = 21,575,697.13

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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.