Home / 9,394,889.76-12,971,192.64-7,215,538.08

Finding the Fourth Proportional to 9,394,889.76, 12,971,192.64 and 7,215,538.08

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Solution

The fourth proportional to 9,394,889.76, 12,971,192.64 and 7,215,538.08 is: 9,962,238.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,394,889.76 : 12,971,192.64 = 7,215,538.08 : x
  2. Step 2: Convert to fraction form
    9,394,889.76/12,971,192.64 = 7,215,538.08/x
  3. Step 3: Cross multiply
    9,394,889.76x = 12,971,192.64 × 7,215,538.08
  4. Step 4: Simplify right side
    9,394,889.76x = 93,594,134,436,935.73
  5. Step 5: Solve for x
    x = 93,594,134,436,935.73/9,394,889.76
  6. Step 6: Final answer
    x = 9,962,238.71

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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.