Home / 40,169,823.87-60,260,410.16-12,869,730.69

Finding the Fourth Proportional to 40,169,823.87, 60,260,410.16 and 12,869,730.69

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Solution

The fourth proportional to 40,169,823.87, 60,260,410.16 and 12,869,730.69 is: 19,306,414.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,169,823.87 : 60,260,410.16 = 12,869,730.69 : x
  2. Step 2: Convert to fraction form
    40,169,823.87/60,260,410.16 = 12,869,730.69/x
  3. Step 3: Cross multiply
    40,169,823.87x = 60,260,410.16 × 12,869,730.69
  4. Step 4: Simplify right side
    40,169,823.87x = 775,535,250,028,139.75
  5. Step 5: Solve for x
    x = 775,535,250,028,139.75/40,169,823.87
  6. Step 6: Final answer
    x = 19,306,414.00

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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.