Home / 28,542,229.65-42,812,972.55-6,977,020.77

Finding the Fourth Proportional to 28,542,229.65, 42,812,972.55 and 6,977,020.77

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Solution

The fourth proportional to 28,542,229.65, 42,812,972.55 and 6,977,020.77 is: 10,465,440.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,229.65 : 42,812,972.55 = 6,977,020.77 : x
  2. Step 2: Convert to fraction form
    28,542,229.65/42,812,972.55 = 6,977,020.77/x
  3. Step 3: Cross multiply
    28,542,229.65x = 42,812,972.55 × 6,977,020.77
  4. Step 4: Simplify right side
    28,542,229.65x = 298,706,998,706,789.81
  5. Step 5: Solve for x
    x = 298,706,998,706,789.81/28,542,229.65
  6. Step 6: Final answer
    x = 10,465,440.24

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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.