Home / 12,187,534.94-16,818,557.74-6,680,921.66

Finding the Fourth Proportional to 12,187,534.94, 16,818,557.74 and 6,680,921.66

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Solution

The fourth proportional to 12,187,534.94, 16,818,557.74 and 6,680,921.66 is: 9,219,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,534.94 : 16,818,557.74 = 6,680,921.66 : x
  2. Step 2: Convert to fraction form
    12,187,534.94/16,818,557.74 = 6,680,921.66/x
  3. Step 3: Cross multiply
    12,187,534.94x = 16,818,557.74 × 6,680,921.66
  4. Step 4: Simplify right side
    12,187,534.94x = 112,363,466,594,331.56
  5. Step 5: Solve for x
    x = 112,363,466,594,331.56/12,187,534.94
  6. Step 6: Final answer
    x = 9,219,540.06

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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.