Home / 7,643,919.74-10,548,290.67-4,159,272.20

Finding the Fourth Proportional to 7,643,919.74, 10,548,290.67 and 4,159,272.20

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Solution

The fourth proportional to 7,643,919.74, 10,548,290.67 and 4,159,272.20 is: 5,739,622.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643,919.74 : 10,548,290.67 = 4,159,272.20 : x
  2. Step 2: Convert to fraction form
    7,643,919.74/10,548,290.67 = 4,159,272.20/x
  3. Step 3: Cross multiply
    7,643,919.74x = 10,548,290.67 × 4,159,272.20
  4. Step 4: Simplify right side
    7,643,919.74x = 43,873,212,088,508.92
  5. Step 5: Solve for x
    x = 43,873,212,088,508.92/7,643,919.74
  6. Step 6: Final answer
    x = 5,739,622.29

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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.