Home / 13,759,812.46-18,988,553.34-7,564,964.57

Finding the Fourth Proportional to 13,759,812.46, 18,988,553.34 and 7,564,964.57

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Solution

The fourth proportional to 13,759,812.46, 18,988,553.34 and 7,564,964.57 is: 10,439,657.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,812.46 : 18,988,553.34 = 7,564,964.57 : x
  2. Step 2: Convert to fraction form
    13,759,812.46/18,988,553.34 = 7,564,964.57/x
  3. Step 3: Cross multiply
    13,759,812.46x = 18,988,553.34 × 7,564,964.57
  4. Step 4: Simplify right side
    13,759,812.46x = 143,647,733,252,655.16
  5. Step 5: Solve for x
    x = 143,647,733,252,655.16/13,759,812.46
  6. Step 6: Final answer
    x = 10,439,657.78

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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.