Home / 9,288,346.95-12,818,343.56-5,158,396.71

Finding the Fourth Proportional to 9,288,346.95, 12,818,343.56 and 5,158,396.71

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Solution

The fourth proportional to 9,288,346.95, 12,818,343.56 and 5,158,396.71 is: 7,118,823.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,288,346.95 : 12,818,343.56 = 5,158,396.71 : x
  2. Step 2: Convert to fraction form
    9,288,346.95/12,818,343.56 = 5,158,396.71/x
  3. Step 3: Cross multiply
    9,288,346.95x = 12,818,343.56 × 5,158,396.71
  4. Step 4: Simplify right side
    9,288,346.95x = 66,122,101,221,761.70
  5. Step 5: Solve for x
    x = 66,122,101,221,761.70/9,288,346.95
  6. Step 6: Final answer
    x = 7,118,823.36

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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.