Home / 21,653,408.19-29,871,686.79-19,175,154.46

Finding the Fourth Proportional to 21,653,408.19, 29,871,686.79 and 19,175,154.46

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Solution

The fourth proportional to 21,653,408.19, 29,871,686.79 and 19,175,154.46 is: 26,452,843.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,653,408.19 : 29,871,686.79 = 19,175,154.46 : x
  2. Step 2: Convert to fraction form
    21,653,408.19/29,871,686.79 = 19,175,154.46/x
  3. Step 3: Cross multiply
    21,653,408.19x = 29,871,686.79 × 19,175,154.46
  4. Step 4: Simplify right side
    21,653,408.19x = 572,794,208,178,991.62
  5. Step 5: Solve for x
    x = 572,794,208,178,991.62/21,653,408.19
  6. Step 6: Final answer
    x = 26,452,843.04

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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.