Home / 13,652,237.70-20,478,356.55-12,282,300.90

Finding the Fourth Proportional to 13,652,237.70, 20,478,356.55 and 12,282,300.90

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Solution

The fourth proportional to 13,652,237.70, 20,478,356.55 and 12,282,300.90 is: 18,423,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652,237.70 : 20,478,356.55 = 12,282,300.90 : x
  2. Step 2: Convert to fraction form
    13,652,237.70/20,478,356.55 = 12,282,300.90/x
  3. Step 3: Cross multiply
    13,652,237.70x = 20,478,356.55 × 12,282,300.90
  4. Step 4: Simplify right side
    13,652,237.70x = 251,521,337,084,585.91
  5. Step 5: Solve for x
    x = 251,521,337,084,585.91/13,652,237.70
  6. Step 6: Final answer
    x = 18,423,451.35

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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.