Home / 13,807,395.57-20,716,143.68-6,424,964.04

Finding the Fourth Proportional to 13,807,395.57, 20,716,143.68 and 6,424,964.04

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Solution

The fourth proportional to 13,807,395.57, 20,716,143.68 and 6,424,964.04 is: 9,639,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,807,395.57 : 20,716,143.68 = 6,424,964.04 : x
  2. Step 2: Convert to fraction form
    13,807,395.57/20,716,143.68 = 6,424,964.04/x
  3. Step 3: Cross multiply
    13,807,395.57x = 20,716,143.68 × 6,424,964.04
  4. Step 4: Simplify right side
    13,807,395.57x = 133,100,478,159,348.45
  5. Step 5: Solve for x
    x = 133,100,478,159,348.45/13,807,395.57
  6. Step 6: Final answer
    x = 9,639,796.11

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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.