Home / 28,467,680.30-42,707,050.05-12,293,600.30

Finding the Fourth Proportional to 28,467,680.30, 42,707,050.05 and 12,293,600.30

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Solution

The fourth proportional to 28,467,680.30, 42,707,050.05 and 12,293,600.30 is: 18,442,788.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,467,680.30 : 42,707,050.05 = 12,293,600.30 : x
  2. Step 2: Convert to fraction form
    28,467,680.30/42,707,050.05 = 12,293,600.30/x
  3. Step 3: Cross multiply
    28,467,680.30x = 42,707,050.05 × 12,293,600.30
  4. Step 4: Simplify right side
    28,467,680.30x = 525,023,403,306,795
  5. Step 5: Solve for x
    x = 525,023,403,306,795/28,467,680.30
  6. Step 6: Final answer
    x = 18,442,788.38

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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.