Home / 31,502,443.20-47,253,664.80-8,783,340.45

Finding the Fourth Proportional to 31,502,443.20, 47,253,664.80 and 8,783,340.45

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Solution

The fourth proportional to 31,502,443.20, 47,253,664.80 and 8,783,340.45 is: 13,175,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502,443.20 : 47,253,664.80 = 8,783,340.45 : x
  2. Step 2: Convert to fraction form
    31,502,443.20/47,253,664.80 = 8,783,340.45/x
  3. Step 3: Cross multiply
    31,502,443.20x = 47,253,664.80 × 8,783,340.45
  4. Step 4: Simplify right side
    31,502,443.20x = 415,045,025,448,581.12
  5. Step 5: Solve for x
    x = 415,045,025,448,581.12/31,502,443.20
  6. Step 6: Final answer
    x = 13,175,010.68

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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.