Home / 20,092,990.80-30,139,486.20-10,527,052.80

Finding the Fourth Proportional to 20,092,990.80, 30,139,486.20 and 10,527,052.80

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Solution

The fourth proportional to 20,092,990.80, 30,139,486.20 and 10,527,052.80 is: 15,790,579.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,092,990.80 : 30,139,486.20 = 10,527,052.80 : x
  2. Step 2: Convert to fraction form
    20,092,990.80/30,139,486.20 = 10,527,052.80/x
  3. Step 3: Cross multiply
    20,092,990.80x = 30,139,486.20 × 10,527,052.80
  4. Step 4: Simplify right side
    20,092,990.80x = 317,279,962,592,271.38
  5. Step 5: Solve for x
    x = 317,279,962,592,271.38/20,092,990.80
  6. Step 6: Final answer
    x = 15,790,579.20

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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.