Home / 28,012,917.20-41,996,047.80-11,851,278.80

Finding the Fourth Proportional to 28,012,917.20, 41,996,047.80 and 11,851,278.80

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Solution

The fourth proportional to 28,012,917.20, 41,996,047.80 and 11,851,278.80 is: 17,767,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,012,917.20 : 41,996,047.80 = 11,851,278.80 : x
  2. Step 2: Convert to fraction form
    28,012,917.20/41,996,047.80 = 11,851,278.80/x
  3. Step 3: Cross multiply
    28,012,917.20x = 41,996,047.80 × 11,851,278.80
  4. Step 4: Simplify right side
    28,012,917.20x = 497,706,870,975,926.62
  5. Step 5: Solve for x
    x = 497,706,870,975,926.62/28,012,917.20
  6. Step 6: Final answer
    x = 17,767,048.94

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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.