Home / 7,115,826.40-9,819,844.56-3,852,641.92

Finding the Fourth Proportional to 7,115,826.40, 9,819,844.56 and 3,852,641.92

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Solution

The fourth proportional to 7,115,826.40, 9,819,844.56 and 3,852,641.92 is: 5,316,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,826.40 : 9,819,844.56 = 3,852,641.92 : x
  2. Step 2: Convert to fraction form
    7,115,826.40/9,819,844.56 = 3,852,641.92/x
  3. Step 3: Cross multiply
    7,115,826.40x = 9,819,844.56 × 3,852,641.92
  4. Step 4: Simplify right side
    7,115,826.40x = 37,832,344,799,739.95
  5. Step 5: Solve for x
    x = 37,832,344,799,739.95/7,115,826.40
  6. Step 6: Final answer
    x = 5,316,648.08

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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.