Home / 8,168,474.63-11,275,983.96-5,815,191.53

Finding the Fourth Proportional to 8,168,474.63, 11,275,983.96 and 5,815,191.53

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Solution

The fourth proportional to 8,168,474.63, 11,275,983.96 and 5,815,191.53 is: 8,027,448.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,168,474.63 : 11,275,983.96 = 5,815,191.53 : x
  2. Step 2: Convert to fraction form
    8,168,474.63/11,275,983.96 = 5,815,191.53/x
  3. Step 3: Cross multiply
    8,168,474.63x = 11,275,983.96 × 5,815,191.53
  4. Step 4: Simplify right side
    8,168,474.63x = 65,572,006,416,607.87
  5. Step 5: Solve for x
    x = 65,572,006,416,607.87/8,168,474.63
  6. Step 6: Final answer
    x = 8,027,448.13

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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.