Home / 15,854,944.34-21,879,451.02-9,328,996.48

Finding the Fourth Proportional to 15,854,944.34, 21,879,451.02 and 9,328,996.48

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Solution

The fourth proportional to 15,854,944.34, 21,879,451.02 and 9,328,996.48 is: 12,873,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,854,944.34 : 21,879,451.02 = 9,328,996.48 : x
  2. Step 2: Convert to fraction form
    15,854,944.34/21,879,451.02 = 9,328,996.48/x
  3. Step 3: Cross multiply
    15,854,944.34x = 21,879,451.02 × 9,328,996.48
  4. Step 4: Simplify right side
    15,854,944.34x = 204,113,321,549,912.41
  5. Step 5: Solve for x
    x = 204,113,321,549,912.41/15,854,944.34
  6. Step 6: Final answer
    x = 12,873,796.16

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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.