Home / 12,956,961-17,888,693.22-8,250,012.98

Finding the Fourth Proportional to 12,956,961, 17,888,693.22 and 8,250,012.98

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Solution

The fourth proportional to 12,956,961, 17,888,693.22 and 8,250,012.98 is: 11,390,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,956,961 : 17,888,693.22 = 8,250,012.98 : x
  2. Step 2: Convert to fraction form
    12,956,961/17,888,693.22 = 8,250,012.98/x
  3. Step 3: Cross multiply
    12,956,961x = 17,888,693.22 × 8,250,012.98
  4. Step 4: Simplify right side
    12,956,961x = 147,581,951,260,238
  5. Step 5: Solve for x
    x = 147,581,951,260,238/12,956,961
  6. Step 6: Final answer
    x = 11,390,167.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.