Home / 21,661,113.96-32,491,437.66-8,878,769.64

Finding the Fourth Proportional to 21,661,113.96, 32,491,437.66 and 8,878,769.64

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Solution

The fourth proportional to 21,661,113.96, 32,491,437.66 and 8,878,769.64 is: 13,318,058.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,661,113.96 : 32,491,437.66 = 8,878,769.64 : x
  2. Step 2: Convert to fraction form
    21,661,113.96/32,491,437.66 = 8,878,769.64/x
  3. Step 3: Cross multiply
    21,661,113.96x = 32,491,437.66 × 8,878,769.64
  4. Step 4: Simplify right side
    21,661,113.96x = 288,483,990,255,560.69
  5. Step 5: Solve for x
    x = 288,483,990,255,560.69/21,661,113.96
  6. Step 6: Final answer
    x = 13,318,058.84

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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.