Home / 20,152,047.20-30,287,053.20-17,556,821.60

Finding the Fourth Proportional to 20,152,047.20, 30,287,053.20 and 17,556,821.60

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Solution

The fourth proportional to 20,152,047.20, 30,287,053.20 and 17,556,821.60 is: 26,386,618.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,047.20 : 30,287,053.20 = 17,556,821.60 : x
  2. Step 2: Convert to fraction form
    20,152,047.20/30,287,053.20 = 17,556,821.60/x
  3. Step 3: Cross multiply
    20,152,047.20x = 30,287,053.20 × 17,556,821.60
  4. Step 4: Simplify right side
    20,152,047.20x = 531,744,389,822,109.12
  5. Step 5: Solve for x
    x = 531,744,389,822,109.12/20,152,047.20
  6. Step 6: Final answer
    x = 26,386,618.91

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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.