Home / 13,543,312.50-20,319,102.30-4,321,039.68

Finding the Fourth Proportional to 13,543,312.50, 20,319,102.30 and 4,321,039.68

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Solution

The fourth proportional to 13,543,312.50, 20,319,102.30 and 4,321,039.68 is: 6,482,878.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,543,312.50 : 20,319,102.30 = 4,321,039.68 : x
  2. Step 2: Convert to fraction form
    13,543,312.50/20,319,102.30 = 4,321,039.68/x
  3. Step 3: Cross multiply
    13,543,312.50x = 20,319,102.30 × 4,321,039.68
  4. Step 4: Simplify right side
    13,543,312.50x = 87,799,647,300,279.27
  5. Step 5: Solve for x
    x = 87,799,647,300,279.27/13,543,312.50
  6. Step 6: Final answer
    x = 6,482,878.34

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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.