Home / 13,832,812.20-20,749,218.30-6,642,612.30

Finding the Fourth Proportional to 13,832,812.20, 20,749,218.30 and 6,642,612.30

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Solution

The fourth proportional to 13,832,812.20, 20,749,218.30 and 6,642,612.30 is: 9,963,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,832,812.20 : 20,749,218.30 = 6,642,612.30 : x
  2. Step 2: Convert to fraction form
    13,832,812.20/20,749,218.30 = 6,642,612.30/x
  3. Step 3: Cross multiply
    13,832,812.20x = 20,749,218.30 × 6,642,612.30
  4. Step 4: Simplify right side
    13,832,812.20x = 137,829,012,694,965.09
  5. Step 5: Solve for x
    x = 137,829,012,694,965.09/13,832,812.20
  6. Step 6: Final answer
    x = 9,963,918.45

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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.