Home / 15,517,434.68-21,414,724.25-8,641,916.74

Finding the Fourth Proportional to 15,517,434.68, 21,414,724.25 and 8,641,916.74

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Solution

The fourth proportional to 15,517,434.68, 21,414,724.25 and 8,641,916.74 is: 11,926,215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,517,434.68 : 21,414,724.25 = 8,641,916.74 : x
  2. Step 2: Convert to fraction form
    15,517,434.68/21,414,724.25 = 8,641,916.74/x
  3. Step 3: Cross multiply
    15,517,434.68x = 21,414,724.25 × 8,641,916.74
  4. Step 4: Simplify right side
    15,517,434.68x = 185,064,263,978,558.94
  5. Step 5: Solve for x
    x = 185,064,263,978,558.94/15,517,434.68
  6. Step 6: Final answer
    x = 11,926,215.11

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.