Home / 20,203,500.90-27,880,378.29-11,036,180.10

Finding the Fourth Proportional to 20,203,500.90, 27,880,378.29 and 11,036,180.10

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Solution

The fourth proportional to 20,203,500.90, 27,880,378.29 and 11,036,180.10 is: 15,229,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203,500.90 : 27,880,378.29 = 11,036,180.10 : x
  2. Step 2: Convert to fraction form
    20,203,500.90/27,880,378.29 = 11,036,180.10/x
  3. Step 3: Cross multiply
    20,203,500.90x = 27,880,378.29 × 11,036,180.10
  4. Step 4: Simplify right side
    20,203,500.90x = 307,692,876,064,570
  5. Step 5: Solve for x
    x = 307,692,876,064,570/20,203,500.90
  6. Step 6: Final answer
    x = 15,229,681.11

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1.5x scale

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.