Home / 12,612,133.76-17,404,744.28-6,810,915.02

Finding the Fourth Proportional to 12,612,133.76, 17,404,744.28 and 6,810,915.02

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Solution

The fourth proportional to 12,612,133.76, 17,404,744.28 and 6,810,915.02 is: 9,399,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,612,133.76 : 17,404,744.28 = 6,810,915.02 : x
  2. Step 2: Convert to fraction form
    12,612,133.76/17,404,744.28 = 6,810,915.02/x
  3. Step 3: Cross multiply
    12,612,133.76x = 17,404,744.28 × 6,810,915.02
  4. Step 4: Simplify right side
    12,612,133.76x = 118,542,234,114,832.77
  5. Step 5: Solve for x
    x = 118,542,234,114,832.77/12,612,133.76
  6. Step 6: Final answer
    x = 9,399,062.55

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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.