Home / 8,483,165.40-12,724,748.10-7,867,306.20

Finding the Fourth Proportional to 8,483,165.40, 12,724,748.10 and 7,867,306.20

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Solution

The fourth proportional to 8,483,165.40, 12,724,748.10 and 7,867,306.20 is: 11,800,959.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483,165.40 : 12,724,748.10 = 7,867,306.20 : x
  2. Step 2: Convert to fraction form
    8,483,165.40/12,724,748.10 = 7,867,306.20/x
  3. Step 3: Cross multiply
    8,483,165.40x = 12,724,748.10 × 7,867,306.20
  4. Step 4: Simplify right side
    8,483,165.40x = 100,109,489,620,568.22
  5. Step 5: Solve for x
    x = 100,109,489,620,568.22/8,483,165.40
  6. Step 6: Final answer
    x = 11,800,959.30

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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.