Home / 18,453,909.90-27,680,864.85-4,807,029.90

Finding the Fourth Proportional to 18,453,909.90, 27,680,864.85 and 4,807,029.90

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Solution

The fourth proportional to 18,453,909.90, 27,680,864.85 and 4,807,029.90 is: 7,210,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,453,909.90 : 27,680,864.85 = 4,807,029.90 : x
  2. Step 2: Convert to fraction form
    18,453,909.90/27,680,864.85 = 4,807,029.90/x
  3. Step 3: Cross multiply
    18,453,909.90x = 27,680,864.85 × 4,807,029.90
  4. Step 4: Simplify right side
    18,453,909.90x = 133,062,744,991,809.03
  5. Step 5: Solve for x
    x = 133,062,744,991,809.03/18,453,909.90
  6. Step 6: Final answer
    x = 7,210,544.85

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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.