Home / 31,478,616.32-47,160,379.03-22,821,275.70

Finding the Fourth Proportional to 31,478,616.32, 47,160,379.03 and 22,821,275.70

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Solution

The fourth proportional to 31,478,616.32, 47,160,379.03 and 22,821,275.70 is: 34,190,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,478,616.32 : 47,160,379.03 = 22,821,275.70 : x
  2. Step 2: Convert to fraction form
    31,478,616.32/47,160,379.03 = 22,821,275.70/x
  3. Step 3: Cross multiply
    31,478,616.32x = 47,160,379.03 × 22,821,275.70
  4. Step 4: Simplify right side
    31,478,616.32x = 1,076,260,011,960,128.62
  5. Step 5: Solve for x
    x = 1,076,260,011,960,128.62/31,478,616.32
  6. Step 6: Final answer
    x = 34,190,194.42

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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.