Home / 14,255,445.87-21,385,302.70-5,159,671.60

Finding the Fourth Proportional to 14,255,445.87, 21,385,302.70 and 5,159,671.60

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Solution

The fourth proportional to 14,255,445.87, 21,385,302.70 and 5,159,671.60 is: 7,740,279.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,255,445.87 : 21,385,302.70 = 5,159,671.60 : x
  2. Step 2: Convert to fraction form
    14,255,445.87/21,385,302.70 = 5,159,671.60/x
  3. Step 3: Cross multiply
    14,255,445.87x = 21,385,302.70 × 5,159,671.60
  4. Step 4: Simplify right side
    14,255,445.87x = 110,341,138,998,593.31
  5. Step 5: Solve for x
    x = 110,341,138,998,593.31/14,255,445.87
  6. Step 6: Final answer
    x = 7,740,279.75

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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.