Home / 18,438,648.40-27,657,972.60-17,493,864.40

Finding the Fourth Proportional to 18,438,648.40, 27,657,972.60 and 17,493,864.40

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Solution

The fourth proportional to 18,438,648.40, 27,657,972.60 and 17,493,864.40 is: 26,240,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,438,648.40 : 27,657,972.60 = 17,493,864.40 : x
  2. Step 2: Convert to fraction form
    18,438,648.40/27,657,972.60 = 17,493,864.40/x
  3. Step 3: Cross multiply
    18,438,648.40x = 27,657,972.60 × 17,493,864.40
  4. Step 4: Simplify right side
    18,438,648.40x = 483,844,822,243,315.44
  5. Step 5: Solve for x
    x = 483,844,822,243,315.44/18,438,648.40
  6. Step 6: Final answer
    x = 26,240,796.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.