Home / 20,147,545.60-30,221,318.40-17,029,758.40

Finding the Fourth Proportional to 20,147,545.60, 30,221,318.40 and 17,029,758.40

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Solution

The fourth proportional to 20,147,545.60, 30,221,318.40 and 17,029,758.40 is: 25,544,637.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,147,545.60 : 30,221,318.40 = 17,029,758.40 : x
  2. Step 2: Convert to fraction form
    20,147,545.60/30,221,318.40 = 17,029,758.40/x
  3. Step 3: Cross multiply
    20,147,545.60x = 30,221,318.40 × 17,029,758.40
  4. Step 4: Simplify right side
    20,147,545.60x = 514,661,750,881,474.50
  5. Step 5: Solve for x
    x = 514,661,750,881,474.50/20,147,545.60
  6. Step 6: Final answer
    x = 25,544,637.60

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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.