Home / 31,502,457.70-47,253,686.55-8,783,354.95

Finding the Fourth Proportional to 31,502,457.70, 47,253,686.55 and 8,783,354.95

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Solution

The fourth proportional to 31,502,457.70, 47,253,686.55 and 8,783,354.95 is: 13,175,032.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,502,457.70 : 47,253,686.55 = 8,783,354.95 : x
  2. Step 2: Convert to fraction form
    31,502,457.70/47,253,686.55 = 8,783,354.95/x
  3. Step 3: Cross multiply
    31,502,457.70x = 47,253,686.55 × 8,783,354.95
  4. Step 4: Simplify right side
    31,502,457.70x = 415,045,901,664,690.88
  5. Step 5: Solve for x
    x = 415,045,901,664,690.88/31,502,457.70
  6. Step 6: Final answer
    x = 13,175,032.43

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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.