Home / 11,742,436.80-17,613,655.20-7,437,764.70

Finding the Fourth Proportional to 11,742,436.80, 17,613,655.20 and 7,437,764.70

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Solution

The fourth proportional to 11,742,436.80, 17,613,655.20 and 7,437,764.70 is: 11,156,647.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,742,436.80 : 17,613,655.20 = 7,437,764.70 : x
  2. Step 2: Convert to fraction form
    11,742,436.80/17,613,655.20 = 7,437,764.70/x
  3. Step 3: Cross multiply
    11,742,436.80x = 17,613,655.20 × 7,437,764.70
  4. Step 4: Simplify right side
    11,742,436.80x = 131,006,222,884,531.44
  5. Step 5: Solve for x
    x = 131,006,222,884,531.44/11,742,436.80
  6. Step 6: Final answer
    x = 11,156,647.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.