Home / 9,712,648.76-13,403,103.96-5,361,641.60

Finding the Fourth Proportional to 9,712,648.76, 13,403,103.96 and 5,361,641.60

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Solution

The fourth proportional to 9,712,648.76, 13,403,103.96 and 5,361,641.60 is: 7,398,871.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,712,648.76 : 13,403,103.96 = 5,361,641.60 : x
  2. Step 2: Convert to fraction form
    9,712,648.76/13,403,103.96 = 5,361,641.60/x
  3. Step 3: Cross multiply
    9,712,648.76x = 13,403,103.96 × 5,361,641.60
  4. Step 4: Simplify right side
    9,712,648.76x = 71,862,639,761,060.73
  5. Step 5: Solve for x
    x = 71,862,639,761,060.73/9,712,648.76
  6. Step 6: Final answer
    x = 7,398,871.47

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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.