Home / 31,780,164.38-47,670,689.36-9,061,061.63

Finding the Fourth Proportional to 31,780,164.38, 47,670,689.36 and 9,061,061.63

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Solution

The fourth proportional to 31,780,164.38, 47,670,689.36 and 9,061,061.63 is: 13,591,718.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,780,164.38 : 47,670,689.36 = 9,061,061.63 : x
  2. Step 2: Convert to fraction form
    31,780,164.38/47,670,689.36 = 9,061,061.63/x
  3. Step 3: Cross multiply
    31,780,164.38x = 47,670,689.36 × 9,061,061.63
  4. Step 4: Simplify right side
    31,780,164.38x = 431,947,054,019,844.44
  5. Step 5: Solve for x
    x = 431,947,054,019,844.44/31,780,164.38
  6. Step 6: Final answer
    x = 13,591,718.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.