Home / 28,295,327.35-42,442,937.99-8,866,040.77

Finding the Fourth Proportional to 28,295,327.35, 42,442,937.99 and 8,866,040.77

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Solution

The fourth proportional to 28,295,327.35, 42,442,937.99 and 8,866,040.77 is: 13,299,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295,327.35 : 42,442,937.99 = 8,866,040.77 : x
  2. Step 2: Convert to fraction form
    28,295,327.35/42,442,937.99 = 8,866,040.77/x
  3. Step 3: Cross multiply
    28,295,327.35x = 42,442,937.99 × 8,866,040.77
  4. Step 4: Simplify right side
    28,295,327.35x = 376,300,818,573,591.62
  5. Step 5: Solve for x
    x = 376,300,818,573,591.62/28,295,327.35
  6. Step 6: Final answer
    x = 13,299,044.54

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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.