Home / 40,840,608.78-56,359,317.24-22,255,915.32

Finding the Fourth Proportional to 40,840,608.78, 56,359,317.24 and 22,255,915.32

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Solution

The fourth proportional to 40,840,608.78, 56,359,317.24 and 22,255,915.32 is: 30,712,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,840,608.78 : 56,359,317.24 = 22,255,915.32 : x
  2. Step 2: Convert to fraction form
    40,840,608.78/56,359,317.24 = 22,255,915.32/x
  3. Step 3: Cross multiply
    40,840,608.78x = 56,359,317.24 × 22,255,915.32
  4. Step 4: Simplify right side
    40,840,608.78x = 1,254,328,191,986,456.25
  5. Step 5: Solve for x
    x = 1,254,328,191,986,456.25/40,840,608.78
  6. Step 6: Final answer
    x = 30,712,769.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.