Home / 13,745,130.71-18,967,174.17-7,944,288.17

Finding the Fourth Proportional to 13,745,130.71, 18,967,174.17 and 7,944,288.17

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Solution

The fourth proportional to 13,745,130.71, 18,967,174.17 and 7,944,288.17 is: 10,962,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,745,130.71 : 18,967,174.17 = 7,944,288.17 : x
  2. Step 2: Convert to fraction form
    13,745,130.71/18,967,174.17 = 7,944,288.17/x
  3. Step 3: Cross multiply
    13,745,130.71x = 18,967,174.17 × 7,944,288.17
  4. Step 4: Simplify right side
    13,745,130.71x = 150,680,697,282,224.72
  5. Step 5: Solve for x
    x = 150,680,697,282,224.72/13,745,130.71
  6. Step 6: Final answer
    x = 10,962,478.31

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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.