Home / 20,604,402.22-28,432,651.80-11,436,323.26

Finding the Fourth Proportional to 20,604,402.22, 28,432,651.80 and 11,436,323.26

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Solution

The fourth proportional to 20,604,402.22, 28,432,651.80 and 11,436,323.26 is: 15,781,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,604,402.22 : 28,432,651.80 = 11,436,323.26 : x
  2. Step 2: Convert to fraction form
    20,604,402.22/28,432,651.80 = 11,436,323.26/x
  3. Step 3: Cross multiply
    20,604,402.22x = 28,432,651.80 × 11,436,323.26
  4. Step 4: Simplify right side
    20,604,402.22x = 325,164,997,123,820.88
  5. Step 5: Solve for x
    x = 325,164,997,123,820.88/20,604,402.22
  6. Step 6: Final answer
    x = 15,781,336.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.