Home / 7,169,257.80-10,753,886.70-6,749,008.20

Finding the Fourth Proportional to 7,169,257.80, 10,753,886.70 and 6,749,008.20

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Solution

The fourth proportional to 7,169,257.80, 10,753,886.70 and 6,749,008.20 is: 10,123,512.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,169,257.80 : 10,753,886.70 = 6,749,008.20 : x
  2. Step 2: Convert to fraction form
    7,169,257.80/10,753,886.70 = 6,749,008.20/x
  3. Step 3: Cross multiply
    7,169,257.80x = 10,753,886.70 × 6,749,008.20
  4. Step 4: Simplify right side
    7,169,257.80x = 72,578,069,520,170.94
  5. Step 5: Solve for x
    x = 72,578,069,520,170.94/7,169,257.80
  6. Step 6: Final answer
    x = 10,123,512.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.