Home / 18,639,126.15-27,942,068.03-7,276,932.15

Finding the Fourth Proportional to 18,639,126.15, 27,942,068.03 and 7,276,932.15

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Solution

The fourth proportional to 18,639,126.15, 27,942,068.03 and 7,276,932.15 is: 10,908,909.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,639,126.15 : 27,942,068.03 = 7,276,932.15 : x
  2. Step 2: Convert to fraction form
    18,639,126.15/27,942,068.03 = 7,276,932.15/x
  3. Step 3: Cross multiply
    18,639,126.15x = 27,942,068.03 × 7,276,932.15
  4. Step 4: Simplify right side
    18,639,126.15x = 203,332,533,148,609.50
  5. Step 5: Solve for x
    x = 203,332,533,148,609.50/18,639,126.15
  6. Step 6: Final answer
    x = 10,908,909.11

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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.