Home / 20,512,430.20-30,768,645.30-9,895,598.20

Finding the Fourth Proportional to 20,512,430.20, 30,768,645.30 and 9,895,598.20

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Solution

The fourth proportional to 20,512,430.20, 30,768,645.30 and 9,895,598.20 is: 14,843,397.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,430.20 : 30,768,645.30 = 9,895,598.20 : x
  2. Step 2: Convert to fraction form
    20,512,430.20/30,768,645.30 = 9,895,598.20/x
  3. Step 3: Cross multiply
    20,512,430.20x = 30,768,645.30 × 9,895,598.20
  4. Step 4: Simplify right side
    20,512,430.20x = 304,474,151,047,118.44
  5. Step 5: Solve for x
    x = 304,474,151,047,118.44/20,512,430.20
  6. Step 6: Final answer
    x = 14,843,397.30

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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.