Home / 12,030,642.60-18,045,963.90-8,802,138.53

Finding the Fourth Proportional to 12,030,642.60, 18,045,963.90 and 8,802,138.53

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Solution

The fourth proportional to 12,030,642.60, 18,045,963.90 and 8,802,138.53 is: 13,203,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,030,642.60 : 18,045,963.90 = 8,802,138.53 : x
  2. Step 2: Convert to fraction form
    12,030,642.60/18,045,963.90 = 8,802,138.53/x
  3. Step 3: Cross multiply
    12,030,642.60x = 18,045,963.90 × 8,802,138.53
  4. Step 4: Simplify right side
    12,030,642.60x = 158,843,074,064,949.25
  5. Step 5: Solve for x
    x = 158,843,074,064,949.25/12,030,642.60
  6. Step 6: Final answer
    x = 13,203,207.79

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Similar ratio
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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.