Home / 48,515,443.85-72,774,643.11-18,970,454.33

Finding the Fourth Proportional to 48,515,443.85, 72,774,643.11 and 18,970,454.33

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Solution

The fourth proportional to 48,515,443.85, 72,774,643.11 and 18,970,454.33 is: 28,456,259.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,515,443.85 : 72,774,643.11 = 18,970,454.33 : x
  2. Step 2: Convert to fraction form
    48,515,443.85/72,774,643.11 = 18,970,454.33/x
  3. Step 3: Cross multiply
    48,515,443.85x = 72,774,643.11 × 18,970,454.33
  4. Step 4: Simplify right side
    48,515,443.85x = 1,380,568,043,136,431
  5. Step 5: Solve for x
    x = 1,380,568,043,136,431/48,515,443.85
  6. Step 6: Final answer
    x = 28,456,259.15

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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.