Home / 7,643,956.11-10,548,340.88-4,159,308.57

Finding the Fourth Proportional to 7,643,956.11, 10,548,340.88 and 4,159,308.57

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Solution

The fourth proportional to 7,643,956.11, 10,548,340.88 and 4,159,308.57 is: 5,739,672.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,956.11 : 10,548,340.88 = 4,159,308.57 : x
  2. Step 2: Convert to fraction form
    7,643,956.11/10,548,340.88 = 4,159,308.57/x
  3. Step 3: Cross multiply
    7,643,956.11x = 10,548,340.88 × 4,159,308.57
  4. Step 4: Simplify right side
    7,643,956.11x = 43,873,804,600,668.80
  5. Step 5: Solve for x
    x = 43,873,804,600,668.80/7,643,956.11
  6. Step 6: Final answer
    x = 5,739,672.49

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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.