Home / 22,709,261.28-31,334,076.24-13,412,117.16

Finding the Fourth Proportional to 22,709,261.28, 31,334,076.24 and 13,412,117.16

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Solution

The fourth proportional to 22,709,261.28, 31,334,076.24 and 13,412,117.16 is: 18,505,943.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,709,261.28 : 31,334,076.24 = 13,412,117.16 : x
  2. Step 2: Convert to fraction form
    22,709,261.28/31,334,076.24 = 13,412,117.16/x
  3. Step 3: Cross multiply
    22,709,261.28x = 31,334,076.24 × 13,412,117.16
  4. Step 4: Simplify right side
    22,709,261.28x = 420,256,301,631,252.25
  5. Step 5: Solve for x
    x = 420,256,301,631,252.25/22,709,261.28
  6. Step 6: Final answer
    x = 18,505,943.30

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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.