Home / 13,854,245.40-20,772,565.56-12,151,807.92

Finding the Fourth Proportional to 13,854,245.40, 20,772,565.56 and 12,151,807.92

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Solution

The fourth proportional to 13,854,245.40, 20,772,565.56 and 12,151,807.92 is: 18,219,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,854,245.40 : 20,772,565.56 = 12,151,807.92 : x
  2. Step 2: Convert to fraction form
    13,854,245.40/20,772,565.56 = 12,151,807.92/x
  3. Step 3: Cross multiply
    13,854,245.40x = 20,772,565.56 × 12,151,807.92
  4. Step 4: Simplify right side
    13,854,245.40x = 252,424,226,690,727.22
  5. Step 5: Solve for x
    x = 252,424,226,690,727.22/13,854,245.40
  6. Step 6: Final answer
    x = 18,219,991.01

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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.