Home / 14,185,614.30-21,278,421.45-5,208,999.90

Finding the Fourth Proportional to 14,185,614.30, 21,278,421.45 and 5,208,999.90

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Solution

The fourth proportional to 14,185,614.30, 21,278,421.45 and 5,208,999.90 is: 7,813,499.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,185,614.30 : 21,278,421.45 = 5,208,999.90 : x
  2. Step 2: Convert to fraction form
    14,185,614.30/21,278,421.45 = 5,208,999.90/x
  3. Step 3: Cross multiply
    14,185,614.30x = 21,278,421.45 × 5,208,999.90
  4. Step 4: Simplify right side
    14,185,614.30x = 110,839,295,205,207.86
  5. Step 5: Solve for x
    x = 110,839,295,205,207.86/14,185,614.30
  6. Step 6: Final answer
    x = 7,813,499.85

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Similar ratio
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1.5x scale

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.