Home / 9,731,966.79-13,430,397.02-5,321,951.76

Finding the Fourth Proportional to 9,731,966.79, 13,430,397.02 and 5,321,951.76

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Solution

The fourth proportional to 9,731,966.79, 13,430,397.02 and 5,321,951.76 is: 7,344,448.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,731,966.79 : 13,430,397.02 = 5,321,951.76 : x
  2. Step 2: Convert to fraction form
    9,731,966.79/13,430,397.02 = 5,321,951.76/x
  3. Step 3: Cross multiply
    9,731,966.79x = 13,430,397.02 × 5,321,951.76
  4. Step 4: Simplify right side
    9,731,966.79x = 71,475,925,058,087.75
  5. Step 5: Solve for x
    x = 71,475,925,058,087.75/9,731,966.79
  6. Step 6: Final answer
    x = 7,344,448.11

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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.