Home / 13,224,914.90-19,799,529.15-8,142,002.90

Finding the Fourth Proportional to 13,224,914.90, 19,799,529.15 and 8,142,002.90

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Solution

The fourth proportional to 13,224,914.90, 19,799,529.15 and 8,142,002.90 is: 12,189,705.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224,914.90 : 19,799,529.15 = 8,142,002.90 : x
  2. Step 2: Convert to fraction form
    13,224,914.90/19,799,529.15 = 8,142,002.90/x
  3. Step 3: Cross multiply
    13,224,914.90x = 19,799,529.15 × 8,142,002.90
  4. Step 4: Simplify right side
    13,224,914.90x = 161,207,823,757,934.53
  5. Step 5: Solve for x
    x = 161,207,823,757,934.53/13,224,914.90
  6. Step 6: Final answer
    x = 12,189,705.94

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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.