Home / 8,131,648.83-12,193,549.45-4,720,794.05

Finding the Fourth Proportional to 8,131,648.83, 12,193,549.45 and 4,720,794.05

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Solution

The fourth proportional to 8,131,648.83, 12,193,549.45 and 4,720,794.05 is: 7,078,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,648.83 : 12,193,549.45 = 4,720,794.05 : x
  2. Step 2: Convert to fraction form
    8,131,648.83/12,193,549.45 = 4,720,794.05/x
  3. Step 3: Cross multiply
    8,131,648.83x = 12,193,549.45 × 4,720,794.05
  4. Step 4: Simplify right side
    8,131,648.83x = 57,563,235,710,622.66
  5. Step 5: Solve for x
    x = 57,563,235,710,622.66/8,131,648.83
  6. Step 6: Final answer
    x = 7,078,913.14

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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.