Home / 20,654,595.30-30,984,845.40-7,008,371.40

Finding the Fourth Proportional to 20,654,595.30, 30,984,845.40 and 7,008,371.40

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Solution

The fourth proportional to 20,654,595.30, 30,984,845.40 and 7,008,371.40 is: 10,513,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,654,595.30 : 30,984,845.40 = 7,008,371.40 : x
  2. Step 2: Convert to fraction form
    20,654,595.30/30,984,845.40 = 7,008,371.40/x
  3. Step 3: Cross multiply
    20,654,595.30x = 30,984,845.40 × 7,008,371.40
  4. Step 4: Simplify right side
    20,654,595.30x = 217,153,304,334,781.56
  5. Step 5: Solve for x
    x = 217,153,304,334,781.56/20,654,595.30
  6. Step 6: Final answer
    x = 10,513,558.90

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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.