Home / 12,586,753.82-17,363,432.16-7,946,289.74

Finding the Fourth Proportional to 12,586,753.82, 17,363,432.16 and 7,946,289.74

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Solution

The fourth proportional to 12,586,753.82, 17,363,432.16 and 7,946,289.74 is: 10,961,910.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586,753.82 : 17,363,432.16 = 7,946,289.74 : x
  2. Step 2: Convert to fraction form
    12,586,753.82/17,363,432.16 = 7,946,289.74/x
  3. Step 3: Cross multiply
    12,586,753.82x = 17,363,432.16 × 7,946,289.74
  4. Step 4: Simplify right side
    12,586,753.82x = 137,974,862,824,194.05
  5. Step 5: Solve for x
    x = 137,974,862,824,194.05/12,586,753.82
  6. Step 6: Final answer
    x = 10,961,910.02

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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.