Home / 15,549,276.57-21,465,770.27-9,670,805.55

Finding the Fourth Proportional to 15,549,276.57, 21,465,770.27 and 9,670,805.55

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Solution

The fourth proportional to 15,549,276.57, 21,465,770.27 and 9,670,805.55 is: 13,350,543.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549,276.57 : 21,465,770.27 = 9,670,805.55 : x
  2. Step 2: Convert to fraction form
    15,549,276.57/21,465,770.27 = 9,670,805.55/x
  3. Step 3: Cross multiply
    15,549,276.57x = 21,465,770.27 × 9,670,805.55
  4. Step 4: Simplify right side
    15,549,276.57x = 207,591,290,262,141
  5. Step 5: Solve for x
    x = 207,591,290,262,141/15,549,276.57
  6. Step 6: Final answer
    x = 13,350,543.31

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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.