Home / 12,062,200-16,645,964.88-6,555,575.20

Finding the Fourth Proportional to 12,062,200, 16,645,964.88 and 6,555,575.20

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Solution

The fourth proportional to 12,062,200, 16,645,964.88 and 6,555,575.20 is: 9,046,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,062,200 : 16,645,964.88 = 6,555,575.20 : x
  2. Step 2: Convert to fraction form
    12,062,200/16,645,964.88 = 6,555,575.20/x
  3. Step 3: Cross multiply
    12,062,200x = 16,645,964.88 × 6,555,575.20
  4. Step 4: Simplify right side
    12,062,200x = 109,123,874,547,398.98
  5. Step 5: Solve for x
    x = 109,123,874,547,398.98/12,062,200
  6. Step 6: Final answer
    x = 9,046,763.82

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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.