Home / 30,885,753.60-46,328,630.40-8,168,947.20

Finding the Fourth Proportional to 30,885,753.60, 46,328,630.40 and 8,168,947.20

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Solution

The fourth proportional to 30,885,753.60, 46,328,630.40 and 8,168,947.20 is: 12,253,420.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,885,753.60 : 46,328,630.40 = 8,168,947.20 : x
  2. Step 2: Convert to fraction form
    30,885,753.60/46,328,630.40 = 8,168,947.20/x
  3. Step 3: Cross multiply
    30,885,753.60x = 46,328,630.40 × 8,168,947.20
  4. Step 4: Simplify right side
    30,885,753.60x = 378,456,135,585,914.88
  5. Step 5: Solve for x
    x = 378,456,135,585,914.88/30,885,753.60
  6. Step 6: Final answer
    x = 12,253,420.80

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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.