Home / 12,771,182.74-17,618,102.45-8,358,965.85

Finding the Fourth Proportional to 12,771,182.74, 17,618,102.45 and 8,358,965.85

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Solution

The fourth proportional to 12,771,182.74, 17,618,102.45 and 8,358,965.85 is: 11,531,360.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771,182.74 : 17,618,102.45 = 8,358,965.85 : x
  2. Step 2: Convert to fraction form
    12,771,182.74/17,618,102.45 = 8,358,965.85/x
  3. Step 3: Cross multiply
    12,771,182.74x = 17,618,102.45 × 8,358,965.85
  4. Step 4: Simplify right side
    12,771,182.74x = 147,269,116,721,351.31
  5. Step 5: Solve for x
    x = 147,269,116,721,351.31/12,771,182.74
  6. Step 6: Final answer
    x = 11,531,360.86

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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.