Home / 13,438,387.07-18,544,439.89-7,933,535.17

Finding the Fourth Proportional to 13,438,387.07, 18,544,439.89 and 7,933,535.17

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Solution

The fourth proportional to 13,438,387.07, 18,544,439.89 and 7,933,535.17 is: 10,947,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438,387.07 : 18,544,439.89 = 7,933,535.17 : x
  2. Step 2: Convert to fraction form
    13,438,387.07/18,544,439.89 = 7,933,535.17/x
  3. Step 3: Cross multiply
    13,438,387.07x = 18,544,439.89 × 7,933,535.17
  4. Step 4: Simplify right side
    13,438,387.07x = 147,122,966,009,071
  5. Step 5: Solve for x
    x = 147,122,966,009,071/13,438,387.07
  6. Step 6: Final answer
    x = 10,947,963.12

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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.