Home / 9,189,855.88-12,681,896.96-5,059,802.68

Finding the Fourth Proportional to 9,189,855.88, 12,681,896.96 and 5,059,802.68

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Solution

The fourth proportional to 9,189,855.88, 12,681,896.96 and 5,059,802.68 is: 6,982,470.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189,855.88 : 12,681,896.96 = 5,059,802.68 : x
  2. Step 2: Convert to fraction form
    9,189,855.88/12,681,896.96 = 5,059,802.68/x
  3. Step 3: Cross multiply
    9,189,855.88x = 12,681,896.96 × 5,059,802.68
  4. Step 4: Simplify right side
    9,189,855.88x = 64,167,896,225,691.85
  5. Step 5: Solve for x
    x = 64,167,896,225,691.85/9,189,855.88
  6. Step 6: Final answer
    x = 6,982,470.35

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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.