Home / 28,963,999.04-39,970,344.92-15,912,103.48

Finding the Fourth Proportional to 28,963,999.04, 39,970,344.92 and 15,912,103.48

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Solution

The fourth proportional to 28,963,999.04, 39,970,344.92 and 15,912,103.48 is: 21,958,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,963,999.04 : 39,970,344.92 = 15,912,103.48 : x
  2. Step 2: Convert to fraction form
    28,963,999.04/39,970,344.92 = 15,912,103.48/x
  3. Step 3: Cross multiply
    28,963,999.04x = 39,970,344.92 × 15,912,103.48
  4. Step 4: Simplify right side
    28,963,999.04x = 636,012,264,498,332.38
  5. Step 5: Solve for x
    x = 636,012,264,498,332.38/28,963,999.04
  6. Step 6: Final answer
    x = 21,958,717.22

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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.