Home / 26,949,731.20-40,424,596.80-7,781,113.60

Finding the Fourth Proportional to 26,949,731.20, 40,424,596.80 and 7,781,113.60

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Solution

The fourth proportional to 26,949,731.20, 40,424,596.80 and 7,781,113.60 is: 11,671,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,949,731.20 : 40,424,596.80 = 7,781,113.60 : x
  2. Step 2: Convert to fraction form
    26,949,731.20/40,424,596.80 = 7,781,113.60/x
  3. Step 3: Cross multiply
    26,949,731.20x = 40,424,596.80 × 7,781,113.60
  4. Step 4: Simplify right side
    26,949,731.20x = 314,548,379,934,996.44
  5. Step 5: Solve for x
    x = 314,548,379,934,996.44/26,949,731.20
  6. Step 6: Final answer
    x = 11,671,670.40

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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.