Home / 20,146,986.60-30,220,479.90-17,029,199.40

Finding the Fourth Proportional to 20,146,986.60, 30,220,479.90 and 17,029,199.40

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Solution

The fourth proportional to 20,146,986.60, 30,220,479.90 and 17,029,199.40 is: 25,543,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,146,986.60 : 30,220,479.90 = 17,029,199.40 : x
  2. Step 2: Convert to fraction form
    20,146,986.60/30,220,479.90 = 17,029,199.40/x
  3. Step 3: Cross multiply
    20,146,986.60x = 30,220,479.90 × 17,029,199.40
  4. Step 4: Simplify right side
    20,146,986.60x = 514,630,578,180,792
  5. Step 5: Solve for x
    x = 514,630,578,180,792/20,146,986.60
  6. Step 6: Final answer
    x = 25,543,799.10

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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.