Home / 7,196,948.20-10,795,422.30-1,878,164.20

Finding the Fourth Proportional to 7,196,948.20, 10,795,422.30 and 1,878,164.20

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Solution

The fourth proportional to 7,196,948.20, 10,795,422.30 and 1,878,164.20 is: 2,817,246.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,196,948.20 : 10,795,422.30 = 1,878,164.20 : x
  2. Step 2: Convert to fraction form
    7,196,948.20/10,795,422.30 = 1,878,164.20/x
  3. Step 3: Cross multiply
    7,196,948.20x = 10,795,422.30 × 1,878,164.20
  4. Step 4: Simplify right side
    7,196,948.20x = 20,275,575,687,741.66
  5. Step 5: Solve for x
    x = 20,275,575,687,741.66/7,196,948.20
  6. Step 6: Final answer
    x = 2,817,246.30

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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.