Home / 34,073,240.80-51,109,861.20-21,318,656.80

Finding the Fourth Proportional to 34,073,240.80, 51,109,861.20 and 21,318,656.80

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Solution

The fourth proportional to 34,073,240.80, 51,109,861.20 and 21,318,656.80 is: 31,977,985.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,073,240.80 : 51,109,861.20 = 21,318,656.80 : x
  2. Step 2: Convert to fraction form
    34,073,240.80/51,109,861.20 = 21,318,656.80/x
  3. Step 3: Cross multiply
    34,073,240.80x = 51,109,861.20 × 21,318,656.80
  4. Step 4: Simplify right side
    34,073,240.80x = 1,089,593,590,018,436.25
  5. Step 5: Solve for x
    x = 1,089,593,590,018,436.25/34,073,240.80
  6. Step 6: Final answer
    x = 31,977,985.20

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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.