Home / 7,157,422.71-9,873,988.70-4,255,166.79

Finding the Fourth Proportional to 7,157,422.71, 9,873,988.70 and 4,255,166.79

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Solution

The fourth proportional to 7,157,422.71, 9,873,988.70 and 4,255,166.79 is: 5,870,195.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,157,422.71 : 9,873,988.70 = 4,255,166.79 : x
  2. Step 2: Convert to fraction form
    7,157,422.71/9,873,988.70 = 4,255,166.79/x
  3. Step 3: Cross multiply
    7,157,422.71x = 9,873,988.70 × 4,255,166.79
  4. Step 4: Simplify right side
    7,157,422.71x = 42,015,468,779,799.44
  5. Step 5: Solve for x
    x = 42,015,468,779,799.44/7,157,422.71
  6. Step 6: Final answer
    x = 5,870,195.25

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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.