Home / 20,251,018.30-30,376,527.45-5,104,949.80

Finding the Fourth Proportional to 20,251,018.30, 30,376,527.45 and 5,104,949.80

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Solution

The fourth proportional to 20,251,018.30, 30,376,527.45 and 5,104,949.80 is: 7,657,424.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251,018.30 : 30,376,527.45 = 5,104,949.80 : x
  2. Step 2: Convert to fraction form
    20,251,018.30/30,376,527.45 = 5,104,949.80/x
  3. Step 3: Cross multiply
    20,251,018.30x = 30,376,527.45 × 5,104,949.80
  4. Step 4: Simplify right side
    20,251,018.30x = 155,070,647,730,572
  5. Step 5: Solve for x
    x = 155,070,647,730,572/20,251,018.30
  6. Step 6: Final answer
    x = 7,657,424.70

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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.