Home / 18,700,677.09-28,068,258.92-9,485,117.15

Finding the Fourth Proportional to 18,700,677.09, 28,068,258.92 and 9,485,117.15

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Solution

The fourth proportional to 18,700,677.09, 28,068,258.92 and 9,485,117.15 is: 14,236,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,700,677.09 : 28,068,258.92 = 9,485,117.15 : x
  2. Step 2: Convert to fraction form
    18,700,677.09/28,068,258.92 = 9,485,117.15/x
  3. Step 3: Cross multiply
    18,700,677.09x = 28,068,258.92 × 9,485,117.15
  4. Step 4: Simplify right side
    18,700,677.09x = 266,230,723,864,965.56
  5. Step 5: Solve for x
    x = 266,230,723,864,965.56/18,700,677.09
  6. Step 6: Final answer
    x = 14,236,421.63

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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.