Home / 28,818,343.72-43,227,506.94-10,863,248.68

Finding the Fourth Proportional to 28,818,343.72, 43,227,506.94 and 10,863,248.68

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Solution

The fourth proportional to 28,818,343.72, 43,227,506.94 and 10,863,248.68 is: 16,294,869.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,818,343.72 : 43,227,506.94 = 10,863,248.68 : x
  2. Step 2: Convert to fraction form
    28,818,343.72/43,227,506.94 = 10,863,248.68/x
  3. Step 3: Cross multiply
    28,818,343.72x = 43,227,506.94 × 10,863,248.68
  4. Step 4: Simplify right side
    28,818,343.72x = 469,591,157,705,645.81
  5. Step 5: Solve for x
    x = 469,591,157,705,645.81/28,818,343.72
  6. Step 6: Final answer
    x = 16,294,869.76

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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.