Home / 13,924,406.80-19,215,736.68-7,812,436.24

Finding the Fourth Proportional to 13,924,406.80, 19,215,736.68 and 7,812,436.24

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Solution

The fourth proportional to 13,924,406.80, 19,215,736.68 and 7,812,436.24 is: 10,781,193.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924,406.80 : 19,215,736.68 = 7,812,436.24 : x
  2. Step 2: Convert to fraction form
    13,924,406.80/19,215,736.68 = 7,812,436.24/x
  3. Step 3: Cross multiply
    13,924,406.80x = 19,215,736.68 × 7,812,436.24
  4. Step 4: Simplify right side
    13,924,406.80x = 150,121,717,617,129.28
  5. Step 5: Solve for x
    x = 150,121,717,617,129.28/13,924,406.80
  6. Step 6: Final answer
    x = 10,781,193.04

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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.