Home / 20,152,042.20-30,287,045.70-17,556,816.60

Finding the Fourth Proportional to 20,152,042.20, 30,287,045.70 and 17,556,816.60

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Solution

The fourth proportional to 20,152,042.20, 30,287,045.70 and 17,556,816.60 is: 26,386,611.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152,042.20 : 30,287,045.70 = 17,556,816.60 : x
  2. Step 2: Convert to fraction form
    20,152,042.20/30,287,045.70 = 17,556,816.60/x
  3. Step 3: Cross multiply
    20,152,042.20x = 30,287,045.70 × 17,556,816.60
  4. Step 4: Simplify right side
    20,152,042.20x = 531,744,106,710,718.62
  5. Step 5: Solve for x
    x = 531,744,106,710,718.62/20,152,042.20
  6. Step 6: Final answer
    x = 26,386,611.41

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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.