Home / 12,146,065.40-18,219,098.10-3,170,617.40

Finding the Fourth Proportional to 12,146,065.40, 18,219,098.10 and 3,170,617.40

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Solution

The fourth proportional to 12,146,065.40, 18,219,098.10 and 3,170,617.40 is: 4,755,926.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,065.40 : 18,219,098.10 = 3,170,617.40 : x
  2. Step 2: Convert to fraction form
    12,146,065.40/18,219,098.10 = 3,170,617.40/x
  3. Step 3: Cross multiply
    12,146,065.40x = 18,219,098.10 × 3,170,617.40
  4. Step 4: Simplify right side
    12,146,065.40x = 57,765,789,448,166.95
  5. Step 5: Solve for x
    x = 57,765,789,448,166.95/12,146,065.40
  6. Step 6: Final answer
    x = 4,755,926.10

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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.