Home / 12,474,023.40-18,711,035.10-7,099,252.20

Finding the Fourth Proportional to 12,474,023.40, 18,711,035.10 and 7,099,252.20

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Solution

The fourth proportional to 12,474,023.40, 18,711,035.10 and 7,099,252.20 is: 10,648,878.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,474,023.40 : 18,711,035.10 = 7,099,252.20 : x
  2. Step 2: Convert to fraction form
    12,474,023.40/18,711,035.10 = 7,099,252.20/x
  3. Step 3: Cross multiply
    12,474,023.40x = 18,711,035.10 × 7,099,252.20
  4. Step 4: Simplify right side
    12,474,023.40x = 132,834,357,097,952.23
  5. Step 5: Solve for x
    x = 132,834,357,097,952.23/12,474,023.40
  6. Step 6: Final answer
    x = 10,648,878.30

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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.