Home / 28,361,066.96-42,532,676.76-9,187,375.52

Finding the Fourth Proportional to 28,361,066.96, 42,532,676.76 and 9,187,375.52

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Solution

The fourth proportional to 28,361,066.96, 42,532,676.76 and 9,187,375.52 is: 13,778,172.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,361,066.96 : 42,532,676.76 = 9,187,375.52 : x
  2. Step 2: Convert to fraction form
    28,361,066.96/42,532,676.76 = 9,187,375.52/x
  3. Step 3: Cross multiply
    28,361,066.96x = 42,532,676.76 × 9,187,375.52
  4. Step 4: Simplify right side
    28,361,066.96x = 390,763,673,264,896.88
  5. Step 5: Solve for x
    x = 390,763,673,264,896.88/28,361,066.96
  6. Step 6: Final answer
    x = 13,778,172.51

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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.