Home / 8,351,279.20-12,528,085.20-3,558,930.40

Finding the Fourth Proportional to 8,351,279.20, 12,528,085.20 and 3,558,930.40

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Solution

The fourth proportional to 8,351,279.20, 12,528,085.20 and 3,558,930.40 is: 5,338,892.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351,279.20 : 12,528,085.20 = 3,558,930.40 : x
  2. Step 2: Convert to fraction form
    8,351,279.20/12,528,085.20 = 3,558,930.40/x
  3. Step 3: Cross multiply
    8,351,279.20x = 12,528,085.20 × 3,558,930.40
  4. Step 4: Simplify right side
    8,351,279.20x = 44,586,583,272,070.08
  5. Step 5: Solve for x
    x = 44,586,583,272,070.08/8,351,279.20
  6. Step 6: Final answer
    x = 5,338,892.67

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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.