Home / 13,652,238.20-20,478,357.30-12,282,301.40

Finding the Fourth Proportional to 13,652,238.20, 20,478,357.30 and 12,282,301.40

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Solution

The fourth proportional to 13,652,238.20, 20,478,357.30 and 12,282,301.40 is: 18,423,452.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,238.20 : 20,478,357.30 = 12,282,301.40 : x
  2. Step 2: Convert to fraction form
    13,652,238.20/20,478,357.30 = 12,282,301.40/x
  3. Step 3: Cross multiply
    13,652,238.20x = 20,478,357.30 × 12,282,301.40
  4. Step 4: Simplify right side
    13,652,238.20x = 251,521,356,535,490.25
  5. Step 5: Solve for x
    x = 251,521,356,535,490.25/13,652,238.20
  6. Step 6: Final answer
    x = 18,423,452.10

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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.