Home / 7,261,409.20-10,868,494.20-5,655,276.40

Finding the Fourth Proportional to 7,261,409.20, 10,868,494.20 and 5,655,276.40

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Solution

The fourth proportional to 7,261,409.20, 10,868,494.20 and 5,655,276.40 is: 8,464,519.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261,409.20 : 10,868,494.20 = 5,655,276.40 : x
  2. Step 2: Convert to fraction form
    7,261,409.20/10,868,494.20 = 5,655,276.40/x
  3. Step 3: Cross multiply
    7,261,409.20x = 10,868,494.20 × 5,655,276.40
  4. Step 4: Simplify right side
    7,261,409.20x = 61,464,338,752,796.88
  5. Step 5: Solve for x
    x = 61,464,338,752,796.88/7,261,409.20
  6. Step 6: Final answer
    x = 8,464,519.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.