Home / 14,705,086.80-20,287,453.32-9,120,750.24

Finding the Fourth Proportional to 14,705,086.80, 20,287,453.32 and 9,120,750.24

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Solution

The fourth proportional to 14,705,086.80, 20,287,453.32 and 9,120,750.24 is: 12,583,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,705,086.80 : 20,287,453.32 = 9,120,750.24 : x
  2. Step 2: Convert to fraction form
    14,705,086.80/20,287,453.32 = 9,120,750.24/x
  3. Step 3: Cross multiply
    14,705,086.80x = 20,287,453.32 × 9,120,750.24
  4. Step 4: Simplify right side
    14,705,086.80x = 185,036,794,737,378.81
  5. Step 5: Solve for x
    x = 185,036,794,737,378.81/14,705,086.80
  6. Step 6: Final answer
    x = 12,583,182.76

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1.5x scale

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.