Home / 25,538,871-35,244,386.28-13,937,181.78

Finding the Fourth Proportional to 25,538,871, 35,244,386.28 and 13,937,181.78

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Solution

The fourth proportional to 25,538,871, 35,244,386.28 and 13,937,181.78 is: 19,233,717.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,538,871 : 35,244,386.28 = 13,937,181.78 : x
  2. Step 2: Convert to fraction form
    25,538,871/35,244,386.28 = 13,937,181.78/x
  3. Step 3: Cross multiply
    25,538,871x = 35,244,386.28 × 13,937,181.78
  4. Step 4: Simplify right side
    25,538,871x = 491,207,418,308,898
  5. Step 5: Solve for x
    x = 491,207,418,308,898/25,538,871
  6. Step 6: Final answer
    x = 19,233,717.04

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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.