Home / 13,483,679.10-20,225,518.65-8,948,715.90

Finding the Fourth Proportional to 13,483,679.10, 20,225,518.65 and 8,948,715.90

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Solution

The fourth proportional to 13,483,679.10, 20,225,518.65 and 8,948,715.90 is: 13,423,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,679.10 : 20,225,518.65 = 8,948,715.90 : x
  2. Step 2: Convert to fraction form
    13,483,679.10/20,225,518.65 = 8,948,715.90/x
  3. Step 3: Cross multiply
    13,483,679.10x = 20,225,518.65 × 8,948,715.90
  4. Step 4: Simplify right side
    13,483,679.10x = 180,992,420,329,001.53
  5. Step 5: Solve for x
    x = 180,992,420,329,001.53/13,483,679.10
  6. Step 6: Final answer
    x = 13,423,073.85

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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.