Home / 12,929,868-19,394,899.20-5,739,468.84

Finding the Fourth Proportional to 12,929,868, 19,394,899.20 and 5,739,468.84

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Solution

The fourth proportional to 12,929,868, 19,394,899.20 and 5,739,468.84 is: 8,609,246.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,929,868 : 19,394,899.20 = 5,739,468.84 : x
  2. Step 2: Convert to fraction form
    12,929,868/19,394,899.20 = 5,739,468.84/x
  3. Step 3: Cross multiply
    12,929,868x = 19,394,899.20 × 5,739,468.84
  4. Step 4: Simplify right side
    12,929,868x = 111,316,419,613,340.92
  5. Step 5: Solve for x
    x = 111,316,419,613,340.92/12,929,868
  6. Step 6: Final answer
    x = 8,609,246.41

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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.