Home / 20,147,172.10-30,220,758.15-17,029,384.90

Finding the Fourth Proportional to 20,147,172.10, 30,220,758.15 and 17,029,384.90

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Solution

The fourth proportional to 20,147,172.10, 30,220,758.15 and 17,029,384.90 is: 25,544,077.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,172.10 : 30,220,758.15 = 17,029,384.90 : x
  2. Step 2: Convert to fraction form
    20,147,172.10/30,220,758.15 = 17,029,384.90/x
  3. Step 3: Cross multiply
    20,147,172.10x = 30,220,758.15 × 17,029,384.90
  4. Step 4: Simplify right side
    20,147,172.10x = 514,640,922,506,161.88
  5. Step 5: Solve for x
    x = 514,640,922,506,161.88/20,147,172.10
  6. Step 6: Final answer
    x = 25,544,077.35

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Similar ratio
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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.