Home / 21,051,753.48-31,577,609.70-7,923,622.59

Finding the Fourth Proportional to 21,051,753.48, 31,577,609.70 and 7,923,622.59

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Solution

The fourth proportional to 21,051,753.48, 31,577,609.70 and 7,923,622.59 is: 11,885,426.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,051,753.48 : 31,577,609.70 = 7,923,622.59 : x
  2. Step 2: Convert to fraction form
    21,051,753.48/31,577,609.70 = 7,923,622.59/x
  3. Step 3: Cross multiply
    21,051,753.48x = 31,577,609.70 × 7,923,622.59
  4. Step 4: Simplify right side
    21,051,753.48x = 250,209,061,557,123.12
  5. Step 5: Solve for x
    x = 250,209,061,557,123.12/21,051,753.48
  6. Step 6: Final answer
    x = 11,885,426.16

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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.