Home / 7,199,409.29-9,935,202.69-3,936,434.58

Finding the Fourth Proportional to 7,199,409.29, 9,935,202.69 and 3,936,434.58

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Solution

The fourth proportional to 7,199,409.29, 9,935,202.69 and 3,936,434.58 is: 5,432,289.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,199,409.29 : 9,935,202.69 = 3,936,434.58 : x
  2. Step 2: Convert to fraction form
    7,199,409.29/9,935,202.69 = 3,936,434.58/x
  3. Step 3: Cross multiply
    7,199,409.29x = 9,935,202.69 × 3,936,434.58
  4. Step 4: Simplify right side
    7,199,409.29x = 39,109,275,428,225.02
  5. Step 5: Solve for x
    x = 39,109,275,428,225.02/7,199,409.29
  6. Step 6: Final answer
    x = 5,432,289.49

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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.