Home / 15,549,222.49-21,465,695.71-9,670,751.70

Finding the Fourth Proportional to 15,549,222.49, 21,465,695.71 and 9,670,751.70

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Solution

The fourth proportional to 15,549,222.49, 21,465,695.71 and 9,670,751.70 is: 13,350,469.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,549,222.49 : 21,465,695.71 = 9,670,751.70 : x
  2. Step 2: Convert to fraction form
    15,549,222.49/21,465,695.71 = 9,670,751.70/x
  3. Step 3: Cross multiply
    15,549,222.49x = 21,465,695.71 × 9,670,751.70
  4. Step 4: Simplify right side
    15,549,222.49x = 207,589,413,279,165.19
  5. Step 5: Solve for x
    x = 207,589,413,279,165.19/15,549,222.49
  6. Step 6: Final answer
    x = 13,350,469.03

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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.