Home / 31,554,207.20-47,331,310.80-28,152,984.80

Finding the Fourth Proportional to 31,554,207.20, 47,331,310.80 and 28,152,984.80

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Solution

The fourth proportional to 31,554,207.20, 47,331,310.80 and 28,152,984.80 is: 42,229,477.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,554,207.20 : 47,331,310.80 = 28,152,984.80 : x
  2. Step 2: Convert to fraction form
    31,554,207.20/47,331,310.80 = 28,152,984.80/x
  3. Step 3: Cross multiply
    31,554,207.20x = 47,331,310.80 × 28,152,984.80
  4. Step 4: Simplify right side
    31,554,207.20x = 1,332,517,673,516,475.75
  5. Step 5: Solve for x
    x = 1,332,517,673,516,475.75/31,554,207.20
  6. Step 6: Final answer
    x = 42,229,477.20

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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.