Home / 8,302,079.70-12,453,119.55-2,916,810.90

Finding the Fourth Proportional to 8,302,079.70, 12,453,119.55 and 2,916,810.90

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Solution

The fourth proportional to 8,302,079.70, 12,453,119.55 and 2,916,810.90 is: 4,375,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,079.70 : 12,453,119.55 = 2,916,810.90 : x
  2. Step 2: Convert to fraction form
    8,302,079.70/12,453,119.55 = 2,916,810.90/x
  3. Step 3: Cross multiply
    8,302,079.70x = 12,453,119.55 × 2,916,810.90
  4. Step 4: Simplify right side
    8,302,079.70x = 36,323,394,842,443.09
  5. Step 5: Solve for x
    x = 36,323,394,842,443.09/8,302,079.70
  6. Step 6: Final answer
    x = 4,375,216.35

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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.