Home / 12,187,445.90-18,281,168.85-5,004,135.05

Finding the Fourth Proportional to 12,187,445.90, 18,281,168.85 and 5,004,135.05

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Solution

The fourth proportional to 12,187,445.90, 18,281,168.85 and 5,004,135.05 is: 7,506,202.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,187,445.90 : 18,281,168.85 = 5,004,135.05 : x
  2. Step 2: Convert to fraction form
    12,187,445.90/18,281,168.85 = 5,004,135.05/x
  3. Step 3: Cross multiply
    12,187,445.90x = 18,281,168.85 × 5,004,135.05
  4. Step 4: Simplify right side
    12,187,445.90x = 91,481,437,797,253.20
  5. Step 5: Solve for x
    x = 91,481,437,797,253.20/12,187,445.90
  6. Step 6: Final answer
    x = 7,506,202.58

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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.