Home / 7,207,159.31-9,945,880.52-3,943,973.87

Finding the Fourth Proportional to 7,207,159.31, 9,945,880.52 and 3,943,973.87

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Solution

The fourth proportional to 7,207,159.31, 9,945,880.52 and 3,943,973.87 is: 5,442,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,207,159.31 : 9,945,880.52 = 3,943,973.87 : x
  2. Step 2: Convert to fraction form
    7,207,159.31/9,945,880.52 = 3,943,973.87/x
  3. Step 3: Cross multiply
    7,207,159.31x = 9,945,880.52 × 3,943,973.87
  4. Step 4: Simplify right side
    7,207,159.31x = 39,226,292,815,572.74
  5. Step 5: Solve for x
    x = 39,226,292,815,572.74/7,207,159.31
  6. Step 6: Final answer
    x = 5,442,684.30

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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.