Home / 12,151,180.12-18,229,534.98-6,468,410.20

Finding the Fourth Proportional to 12,151,180.12, 18,229,534.98 and 6,468,410.20

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Solution

The fourth proportional to 12,151,180.12, 18,229,534.98 and 6,468,410.20 is: 9,704,087.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,151,180.12 : 18,229,534.98 = 6,468,410.20 : x
  2. Step 2: Convert to fraction form
    12,151,180.12/18,229,534.98 = 6,468,410.20/x
  3. Step 3: Cross multiply
    12,151,180.12x = 18,229,534.98 × 6,468,410.20
  4. Step 4: Simplify right side
    12,151,180.12x = 117,916,110,005,888.80
  5. Step 5: Solve for x
    x = 117,916,110,005,888.80/12,151,180.12
  6. Step 6: Final answer
    x = 9,704,087.08

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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.