Home / 12,225,855.38-16,872,060.12-6,719,130.12

Finding the Fourth Proportional to 12,225,855.38, 16,872,060.12 and 6,719,130.12

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Solution

The fourth proportional to 12,225,855.38, 16,872,060.12 and 6,719,130.12 is: 9,272,608.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,225,855.38 : 16,872,060.12 = 6,719,130.12 : x
  2. Step 2: Convert to fraction form
    12,225,855.38/16,872,060.12 = 6,719,130.12/x
  3. Step 3: Cross multiply
    12,225,855.38x = 16,872,060.12 × 6,719,130.12
  4. Step 4: Simplify right side
    12,225,855.38x = 113,365,567,338,742.83
  5. Step 5: Solve for x
    x = 113,365,567,338,742.83/12,225,855.38
  6. Step 6: Final answer
    x = 9,272,608.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.