Home / 13,759,812.59-18,988,553.51-7,564,964.69

Finding the Fourth Proportional to 13,759,812.59, 18,988,553.51 and 7,564,964.69

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Solution

The fourth proportional to 13,759,812.59, 18,988,553.51 and 7,564,964.69 is: 10,439,657.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,759,812.59 : 18,988,553.51 = 7,564,964.69 : x
  2. Step 2: Convert to fraction form
    13,759,812.59/18,988,553.51 = 7,564,964.69/x
  3. Step 3: Cross multiply
    13,759,812.59x = 18,988,553.51 × 7,564,964.69
  4. Step 4: Simplify right side
    13,759,812.59x = 143,647,736,684,557.97
  5. Step 5: Solve for x
    x = 143,647,736,684,557.97/13,759,812.59
  6. Step 6: Final answer
    x = 10,439,657.94

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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.