Home / 10,471,552.20-15,707,328.30-7,637,200.20

Finding the Fourth Proportional to 10,471,552.20, 15,707,328.30 and 7,637,200.20

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Solution

The fourth proportional to 10,471,552.20, 15,707,328.30 and 7,637,200.20 is: 11,455,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,471,552.20 : 15,707,328.30 = 7,637,200.20 : x
  2. Step 2: Convert to fraction form
    10,471,552.20/15,707,328.30 = 7,637,200.20/x
  3. Step 3: Cross multiply
    10,471,552.20x = 15,707,328.30 × 7,637,200.20
  4. Step 4: Simplify right side
    10,471,552.20x = 119,960,010,834,225.67
  5. Step 5: Solve for x
    x = 119,960,010,834,225.67/10,471,552.20
  6. Step 6: Final answer
    x = 11,455,800.30

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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.