Home / 20,512,228.20-30,768,342.30-9,895,396.20

Finding the Fourth Proportional to 20,512,228.20, 30,768,342.30 and 9,895,396.20

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Solution

The fourth proportional to 20,512,228.20, 30,768,342.30 and 9,895,396.20 is: 14,843,094.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,512,228.20 : 30,768,342.30 = 9,895,396.20 : x
  2. Step 2: Convert to fraction form
    20,512,228.20/30,768,342.30 = 9,895,396.20/x
  3. Step 3: Cross multiply
    20,512,228.20x = 30,768,342.30 × 9,895,396.20
  4. Step 4: Simplify right side
    20,512,228.20x = 304,464,937,475,719.25
  5. Step 5: Solve for x
    x = 304,464,937,475,719.25/20,512,228.20
  6. Step 6: Final answer
    x = 14,843,094.30

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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.