Home / 20,035,999.20-30,053,998.80-13,658,707.20

Finding the Fourth Proportional to 20,035,999.20, 30,053,998.80 and 13,658,707.20

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Solution

The fourth proportional to 20,035,999.20, 30,053,998.80 and 13,658,707.20 is: 20,488,060.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035,999.20 : 30,053,998.80 = 13,658,707.20 : x
  2. Step 2: Convert to fraction form
    20,035,999.20/30,053,998.80 = 13,658,707.20/x
  3. Step 3: Cross multiply
    20,035,999.20x = 30,053,998.80 × 13,658,707.20
  4. Step 4: Simplify right side
    20,035,999.20x = 410,498,769,798,351.38
  5. Step 5: Solve for x
    x = 410,498,769,798,351.38/20,035,999.20
  6. Step 6: Final answer
    x = 20,488,060.80

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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.