Home / 12,608,151.54-18,911,045.40-4,088,561.82

Finding the Fourth Proportional to 12,608,151.54, 18,911,045.40 and 4,088,561.82

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Solution

The fourth proportional to 12,608,151.54, 18,911,045.40 and 4,088,561.82 is: 6,132,459.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,608,151.54 : 18,911,045.40 = 4,088,561.82 : x
  2. Step 2: Convert to fraction form
    12,608,151.54/18,911,045.40 = 4,088,561.82/x
  3. Step 3: Cross multiply
    12,608,151.54x = 18,911,045.40 × 4,088,561.82
  4. Step 4: Simplify right side
    12,608,151.54x = 77,318,978,198,726.62
  5. Step 5: Solve for x
    x = 77,318,978,198,726.62/12,608,151.54
  6. Step 6: Final answer
    x = 6,132,459.46

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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.