Home / 21,387,745.40-32,081,618.10-17,844,805.40

Finding the Fourth Proportional to 21,387,745.40, 32,081,618.10 and 17,844,805.40

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Solution

The fourth proportional to 21,387,745.40, 32,081,618.10 and 17,844,805.40 is: 26,767,208.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,387,745.40 : 32,081,618.10 = 17,844,805.40 : x
  2. Step 2: Convert to fraction form
    21,387,745.40/32,081,618.10 = 17,844,805.40/x
  3. Step 3: Cross multiply
    21,387,745.40x = 32,081,618.10 × 17,844,805.40
  4. Step 4: Simplify right side
    21,387,745.40x = 572,490,231,911,617.75
  5. Step 5: Solve for x
    x = 572,490,231,911,617.75/21,387,745.40
  6. Step 6: Final answer
    x = 26,767,208.10

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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.