Home / 13,113,003.80-19,669,505.70-12,861,061.40

Finding the Fourth Proportional to 13,113,003.80, 19,669,505.70 and 12,861,061.40

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Solution

The fourth proportional to 13,113,003.80, 19,669,505.70 and 12,861,061.40 is: 19,291,592.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,113,003.80 : 19,669,505.70 = 12,861,061.40 : x
  2. Step 2: Convert to fraction form
    13,113,003.80/19,669,505.70 = 12,861,061.40/x
  3. Step 3: Cross multiply
    13,113,003.80x = 19,669,505.70 × 12,861,061.40
  4. Step 4: Simplify right side
    13,113,003.80x = 252,970,720,515,349.97
  5. Step 5: Solve for x
    x = 252,970,720,515,349.97/13,113,003.80
  6. Step 6: Final answer
    x = 19,291,592.10

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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.