Home / 20,382,448.20-30,564,224.28-7,599,520.68

Finding the Fourth Proportional to 20,382,448.20, 30,564,224.28 and 7,599,520.68

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Solution

The fourth proportional to 20,382,448.20, 30,564,224.28 and 7,599,520.68 is: 11,395,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,382,448.20 : 30,564,224.28 = 7,599,520.68 : x
  2. Step 2: Convert to fraction form
    20,382,448.20/30,564,224.28 = 7,599,520.68/x
  3. Step 3: Cross multiply
    20,382,448.20x = 30,564,224.28 × 7,599,520.68
  4. Step 4: Simplify right side
    20,382,448.20x = 232,273,454,484,018.12
  5. Step 5: Solve for x
    x = 232,273,454,484,018.12/20,382,448.20
  6. Step 6: Final answer
    x = 11,395,758.36

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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.