Home / 13,614,596.20-18,789,030.66-7,815,255.40

Finding the Fourth Proportional to 13,614,596.20, 18,789,030.66 and 7,815,255.40

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Solution

The fourth proportional to 13,614,596.20, 18,789,030.66 and 7,815,255.40 is: 10,785,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,596.20 : 18,789,030.66 = 7,815,255.40 : x
  2. Step 2: Convert to fraction form
    13,614,596.20/18,789,030.66 = 7,815,255.40/x
  3. Step 3: Cross multiply
    13,614,596.20x = 18,789,030.66 × 7,815,255.40
  4. Step 4: Simplify right side
    13,614,596.20x = 146,841,073,326,330.56
  5. Step 5: Solve for x
    x = 146,841,073,326,330.56/13,614,596.20
  6. Step 6: Final answer
    x = 10,785,562.14

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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.