Home / 28,833,127.89-39,789,821.94-15,602,304.92

Finding the Fourth Proportional to 28,833,127.89, 39,789,821.94 and 15,602,304.92

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Solution

The fourth proportional to 28,833,127.89, 39,789,821.94 and 15,602,304.92 is: 21,531,237.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,833,127.89 : 39,789,821.94 = 15,602,304.92 : x
  2. Step 2: Convert to fraction form
    28,833,127.89/39,789,821.94 = 15,602,304.92/x
  3. Step 3: Cross multiply
    28,833,127.89x = 39,789,821.94 × 15,602,304.92
  4. Step 4: Simplify right side
    28,833,127.89x = 620,812,934,830,287.12
  5. Step 5: Solve for x
    x = 620,812,934,830,287.12/28,833,127.89
  6. Step 6: Final answer
    x = 21,531,237.86

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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.