Home / 20,215,244.40-30,275,627.40-19,809,337.20

Finding the Fourth Proportional to 20,215,244.40, 30,275,627.40 and 19,809,337.20

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Solution

The fourth proportional to 20,215,244.40, 30,275,627.40 and 19,809,337.20 is: 29,667,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,215,244.40 : 30,275,627.40 = 19,809,337.20 : x
  2. Step 2: Convert to fraction form
    20,215,244.40/30,275,627.40 = 19,809,337.20/x
  3. Step 3: Cross multiply
    20,215,244.40x = 30,275,627.40 × 19,809,337.20
  4. Step 4: Simplify right side
    20,215,244.40x = 599,740,112,108,159.25
  5. Step 5: Solve for x
    x = 599,740,112,108,159.25/20,215,244.40
  6. Step 6: Final answer
    x = 29,667,715.13

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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.