Home / 13,224,915.40-19,799,529.90-8,142,003.40

Finding the Fourth Proportional to 13,224,915.40, 19,799,529.90 and 8,142,003.40

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Solution

The fourth proportional to 13,224,915.40, 19,799,529.90 and 8,142,003.40 is: 12,189,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224,915.40 : 19,799,529.90 = 8,142,003.40 : x
  2. Step 2: Convert to fraction form
    13,224,915.40/19,799,529.90 = 8,142,003.40/x
  3. Step 3: Cross multiply
    13,224,915.40x = 19,799,529.90 × 8,142,003.40
  4. Step 4: Simplify right side
    13,224,915.40x = 161,207,839,764,201.66
  5. Step 5: Solve for x
    x = 161,207,839,764,201.66/13,224,915.40
  6. Step 6: Final answer
    x = 12,189,706.69

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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.