Home / 19,996,864.80-29,995,297.20-12,344,114.40

Finding the Fourth Proportional to 19,996,864.80, 29,995,297.20 and 12,344,114.40

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Solution

The fourth proportional to 19,996,864.80, 29,995,297.20 and 12,344,114.40 is: 18,516,171.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,996,864.80 : 29,995,297.20 = 12,344,114.40 : x
  2. Step 2: Convert to fraction form
    19,996,864.80/29,995,297.20 = 12,344,114.40/x
  3. Step 3: Cross multiply
    19,996,864.80x = 29,995,297.20 × 12,344,114.40
  4. Step 4: Simplify right side
    19,996,864.80x = 370,265,380,098,799.69
  5. Step 5: Solve for x
    x = 370,265,380,098,799.69/19,996,864.80
  6. Step 6: Final answer
    x = 18,516,171.60

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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.