Home / 10,880,621.95-16,320,342.29-3,306,997.21

Finding the Fourth Proportional to 10,880,621.95, 16,320,342.29 and 3,306,997.21

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Solution

The fourth proportional to 10,880,621.95, 16,320,342.29 and 3,306,997.21 is: 4,960,316.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,880,621.95 : 16,320,342.29 = 3,306,997.21 : x
  2. Step 2: Convert to fraction form
    10,880,621.95/16,320,342.29 = 3,306,997.21/x
  3. Step 3: Cross multiply
    10,880,621.95x = 16,320,342.29 × 3,306,997.21
  4. Step 4: Simplify right side
    10,880,621.95x = 53,971,326,386,741.65
  5. Step 5: Solve for x
    x = 53,971,326,386,741.65/10,880,621.95
  6. Step 6: Final answer
    x = 4,960,316.30

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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.