Home / 12,949,589.70-19,424,384.55-6,231,125.70

Finding the Fourth Proportional to 12,949,589.70, 19,424,384.55 and 6,231,125.70

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Solution

The fourth proportional to 12,949,589.70, 19,424,384.55 and 6,231,125.70 is: 9,346,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,949,589.70 : 19,424,384.55 = 6,231,125.70 : x
  2. Step 2: Convert to fraction form
    12,949,589.70/19,424,384.55 = 6,231,125.70/x
  3. Step 3: Cross multiply
    12,949,589.70x = 19,424,384.55 × 6,231,125.70
  4. Step 4: Simplify right side
    12,949,589.70x = 121,035,781,776,187.94
  5. Step 5: Solve for x
    x = 121,035,781,776,187.94/12,949,589.70
  6. Step 6: Final answer
    x = 9,346,688.55

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Similar ratio
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1.5x scale

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.