Home / 11,388,343.38-15,715,870.80-6,161,335.12

Finding the Fourth Proportional to 11,388,343.38, 15,715,870.80 and 6,161,335.12

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Solution

The fourth proportional to 11,388,343.38, 15,715,870.80 and 6,161,335.12 is: 8,502,619.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,388,343.38 : 15,715,870.80 = 6,161,335.12 : x
  2. Step 2: Convert to fraction form
    11,388,343.38/15,715,870.80 = 6,161,335.12/x
  3. Step 3: Cross multiply
    11,388,343.38x = 15,715,870.80 × 6,161,335.12
  4. Step 4: Simplify right side
    11,388,343.38x = 96,830,746,609,560.55
  5. Step 5: Solve for x
    x = 96,830,746,609,560.55/11,388,343.38
  6. Step 6: Final answer
    x = 8,502,619.16

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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.