Home / 12,621,177.38-17,417,224.38-6,819,959

Finding the Fourth Proportional to 12,621,177.38, 17,417,224.38 and 6,819,959

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Solution

The fourth proportional to 12,621,177.38, 17,417,224.38 and 6,819,959 is: 9,411,543.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621,177.38 : 17,417,224.38 = 6,819,959 : x
  2. Step 2: Convert to fraction form
    12,621,177.38/17,417,224.38 = 6,819,959/x
  3. Step 3: Cross multiply
    12,621,177.38x = 17,417,224.38 × 6,819,959
  4. Step 4: Simplify right side
    12,621,177.38x = 118,784,756,165,400.41
  5. Step 5: Solve for x
    x = 118,784,756,165,400.41/12,621,177.38
  6. Step 6: Final answer
    x = 9,411,543.20

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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.