Home / 7,851,815.50-11,777,725.98-2,460,884.20

Finding the Fourth Proportional to 7,851,815.50, 11,777,725.98 and 2,460,884.20

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Solution

The fourth proportional to 7,851,815.50, 11,777,725.98 and 2,460,884.20 is: 3,691,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,851,815.50 : 11,777,725.98 = 2,460,884.20 : x
  2. Step 2: Convert to fraction form
    7,851,815.50/11,777,725.98 = 2,460,884.20/x
  3. Step 3: Cross multiply
    7,851,815.50x = 11,777,725.98 × 2,460,884.20
  4. Step 4: Simplify right side
    7,851,815.50x = 28,983,619,776,111.52
  5. Step 5: Solve for x
    x = 28,983,619,776,111.52/7,851,815.50
  6. Step 6: Final answer
    x = 3,691,327.16

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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.