Home / 28,608,766.92-42,913,136.70-8,414,008.68

Finding the Fourth Proportional to 28,608,766.92, 42,913,136.70 and 8,414,008.68

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Solution

The fourth proportional to 28,608,766.92, 42,913,136.70 and 8,414,008.68 is: 12,621,009.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,766.92 : 42,913,136.70 = 8,414,008.68 : x
  2. Step 2: Convert to fraction form
    28,608,766.92/42,913,136.70 = 8,414,008.68/x
  3. Step 3: Cross multiply
    28,608,766.92x = 42,913,136.70 × 8,414,008.68
  4. Step 4: Simplify right side
    28,608,766.92x = 361,071,504,679,826.56
  5. Step 5: Solve for x
    x = 361,071,504,679,826.56/28,608,766.92
  6. Step 6: Final answer
    x = 12,621,009.00

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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.