Home / 20,732,585.40-31,098,878.10-7,270,774.20

Finding the Fourth Proportional to 20,732,585.40, 31,098,878.10 and 7,270,774.20

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Solution

The fourth proportional to 20,732,585.40, 31,098,878.10 and 7,270,774.20 is: 10,906,161.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,585.40 : 31,098,878.10 = 7,270,774.20 : x
  2. Step 2: Convert to fraction form
    20,732,585.40/31,098,878.10 = 7,270,774.20/x
  3. Step 3: Cross multiply
    20,732,585.40x = 31,098,878.10 × 7,270,774.20
  4. Step 4: Simplify right side
    20,732,585.40x = 226,112,920,538,425.03
  5. Step 5: Solve for x
    x = 226,112,920,538,425.03/20,732,585.40
  6. Step 6: Final answer
    x = 10,906,161.30

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1.5x scale

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.