Home / 14,387,652.30-21,581,478.45-12,540,074.70

Finding the Fourth Proportional to 14,387,652.30, 21,581,478.45 and 12,540,074.70

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Solution

The fourth proportional to 14,387,652.30, 21,581,478.45 and 12,540,074.70 is: 18,810,112.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,387,652.30 : 21,581,478.45 = 12,540,074.70 : x
  2. Step 2: Convert to fraction form
    14,387,652.30/21,581,478.45 = 12,540,074.70/x
  3. Step 3: Cross multiply
    14,387,652.30x = 21,581,478.45 × 12,540,074.70
  4. Step 4: Simplify right side
    14,387,652.30x = 270,633,351,899,440.19
  5. Step 5: Solve for x
    x = 270,633,351,899,440.19/14,387,652.30
  6. Step 6: Final answer
    x = 18,810,112.05

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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.