Home / 28,043,677.80-42,065,516.70-15,908,452.20

Finding the Fourth Proportional to 28,043,677.80, 42,065,516.70 and 15,908,452.20

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Solution

The fourth proportional to 28,043,677.80, 42,065,516.70 and 15,908,452.20 is: 23,862,678.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,043,677.80 : 42,065,516.70 = 15,908,452.20 : x
  2. Step 2: Convert to fraction form
    28,043,677.80/42,065,516.70 = 15,908,452.20/x
  3. Step 3: Cross multiply
    28,043,677.80x = 42,065,516.70 × 15,908,452.20
  4. Step 4: Simplify right side
    28,043,677.80x = 669,197,261,690,251.75
  5. Step 5: Solve for x
    x = 669,197,261,690,251.75/28,043,677.80
  6. Step 6: Final answer
    x = 23,862,678.30

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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.