Home / 22,461,290.28-30,996,841.86-12,672,200.52

Finding the Fourth Proportional to 22,461,290.28, 30,996,841.86 and 12,672,200.52

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Solution

The fourth proportional to 22,461,290.28, 30,996,841.86 and 12,672,200.52 is: 17,487,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,461,290.28 : 30,996,841.86 = 12,672,200.52 : x
  2. Step 2: Convert to fraction form
    22,461,290.28/30,996,841.86 = 12,672,200.52/x
  3. Step 3: Cross multiply
    22,461,290.28x = 30,996,841.86 × 12,672,200.52
  4. Step 4: Simplify right side
    22,461,290.28x = 392,798,195,536,649.75
  5. Step 5: Solve for x
    x = 392,798,195,536,649.75/22,461,290.28
  6. Step 6: Final answer
    x = 17,487,784.12

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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.