Home / 13,148,186.52-18,146,299.68-7,566,318.30

Finding the Fourth Proportional to 13,148,186.52, 18,146,299.68 and 7,566,318.30

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Solution

The fourth proportional to 13,148,186.52, 18,146,299.68 and 7,566,318.30 is: 10,442,556.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148,186.52 : 18,146,299.68 = 7,566,318.30 : x
  2. Step 2: Convert to fraction form
    13,148,186.52/18,146,299.68 = 7,566,318.30/x
  3. Step 3: Cross multiply
    13,148,186.52x = 18,146,299.68 × 7,566,318.30
  4. Step 4: Simplify right side
    13,148,186.52x = 137,300,679,346,068.14
  5. Step 5: Solve for x
    x = 137,300,679,346,068.14/13,148,186.52
  6. Step 6: Final answer
    x = 10,442,556.40

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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.