Home / 7,129,243.39-9,838,358.49-3,866,057.27

Finding the Fourth Proportional to 7,129,243.39, 9,838,358.49 and 3,866,057.27

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Solution

The fourth proportional to 7,129,243.39, 9,838,358.49 and 3,866,057.27 is: 5,335,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,129,243.39 : 9,838,358.49 = 3,866,057.27 : x
  2. Step 2: Convert to fraction form
    7,129,243.39/9,838,358.49 = 3,866,057.27/x
  3. Step 3: Cross multiply
    7,129,243.39x = 9,838,358.49 × 3,866,057.27
  4. Step 4: Simplify right side
    7,129,243.39x = 38,035,657,404,224.34
  5. Step 5: Solve for x
    x = 38,035,657,404,224.34/7,129,243.39
  6. Step 6: Final answer
    x = 5,335,160.46

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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.