Home / 12,693,363.80-17,516,862.78-6,892,156.76

Finding the Fourth Proportional to 12,693,363.80, 17,516,862.78 and 6,892,156.76

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Solution

The fourth proportional to 12,693,363.80, 17,516,862.78 and 6,892,156.76 is: 9,511,187.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,693,363.80 : 17,516,862.78 = 6,892,156.76 : x
  2. Step 2: Convert to fraction form
    12,693,363.80/17,516,862.78 = 6,892,156.76/x
  3. Step 3: Cross multiply
    12,693,363.80x = 17,516,862.78 × 6,892,156.76
  4. Step 4: Simplify right side
    12,693,363.80x = 120,728,964,223,169.39
  5. Step 5: Solve for x
    x = 120,728,964,223,169.39/12,693,363.80
  6. Step 6: Final answer
    x = 9,511,187.59

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1.5x scale

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.