Home / 13,440,805.10-20,161,207.65-3,343,426.10

Finding the Fourth Proportional to 13,440,805.10, 20,161,207.65 and 3,343,426.10

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Solution

The fourth proportional to 13,440,805.10, 20,161,207.65 and 3,343,426.10 is: 5,015,139.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,805.10 : 20,161,207.65 = 3,343,426.10 : x
  2. Step 2: Convert to fraction form
    13,440,805.10/20,161,207.65 = 3,343,426.10/x
  3. Step 3: Cross multiply
    13,440,805.10x = 20,161,207.65 × 3,343,426.10
  4. Step 4: Simplify right side
    13,440,805.10x = 67,407,507,864,529.66
  5. Step 5: Solve for x
    x = 67,407,507,864,529.66/13,440,805.10
  6. Step 6: Final answer
    x = 5,015,139.15

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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.