Home / 20,147,173.60-30,220,760.40-17,029,386.40

Finding the Fourth Proportional to 20,147,173.60, 30,220,760.40 and 17,029,386.40

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Solution

The fourth proportional to 20,147,173.60, 30,220,760.40 and 17,029,386.40 is: 25,544,079.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,173.60 : 30,220,760.40 = 17,029,386.40 : x
  2. Step 2: Convert to fraction form
    20,147,173.60/30,220,760.40 = 17,029,386.40/x
  3. Step 3: Cross multiply
    20,147,173.60x = 30,220,760.40 × 17,029,386.40
  4. Step 4: Simplify right side
    20,147,173.60x = 514,641,006,153,418.50
  5. Step 5: Solve for x
    x = 514,641,006,153,418.50/20,147,173.60
  6. Step 6: Final answer
    x = 25,544,079.60

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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.