Home / 15,617,261.16-21,551,670.18-8,999,418.24

Finding the Fourth Proportional to 15,617,261.16, 21,551,670.18 and 8,999,418.24

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Solution

The fourth proportional to 15,617,261.16, 21,551,670.18 and 8,999,418.24 is: 12,419,110.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,617,261.16 : 21,551,670.18 = 8,999,418.24 : x
  2. Step 2: Convert to fraction form
    15,617,261.16/21,551,670.18 = 8,999,418.24/x
  3. Step 3: Cross multiply
    15,617,261.16x = 21,551,670.18 × 8,999,418.24
  4. Step 4: Simplify right side
    15,617,261.16x = 193,952,493,720,356.09
  5. Step 5: Solve for x
    x = 193,952,493,720,356.09/15,617,261.16
  6. Step 6: Final answer
    x = 12,419,110.61

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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.