Home / 13,520,378.46-20,280,592.98-3,285,246.86

Finding the Fourth Proportional to 13,520,378.46, 20,280,592.98 and 3,285,246.86

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Solution

The fourth proportional to 13,520,378.46, 20,280,592.98 and 3,285,246.86 is: 4,927,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,520,378.46 : 20,280,592.98 = 3,285,246.86 : x
  2. Step 2: Convert to fraction form
    13,520,378.46/20,280,592.98 = 3,285,246.86/x
  3. Step 3: Cross multiply
    13,520,378.46x = 20,280,592.98 × 3,285,246.86
  4. Step 4: Simplify right side
    13,520,378.46x = 66,626,754,406,483.04
  5. Step 5: Solve for x
    x = 66,626,754,406,483.04/13,520,378.46
  6. Step 6: Final answer
    x = 4,927,876.44

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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.