Home / 8,581,349.90-12,853,362.45-5,209,676.30

Finding the Fourth Proportional to 8,581,349.90, 12,853,362.45 and 5,209,676.30

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Solution

The fourth proportional to 8,581,349.90, 12,853,362.45 and 5,209,676.30 is: 7,803,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,349.90 : 12,853,362.45 = 5,209,676.30 : x
  2. Step 2: Convert to fraction form
    8,581,349.90/12,853,362.45 = 5,209,676.30/x
  3. Step 3: Cross multiply
    8,581,349.90x = 12,853,362.45 × 5,209,676.30
  4. Step 4: Simplify right side
    8,581,349.90x = 66,961,857,731,074.93
  5. Step 5: Solve for x
    x = 66,961,857,731,074.93/8,581,349.90
  6. Step 6: Final answer
    x = 7,803,184.64

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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.