Home / 39,040,377.17-53,875,725.48-21,637,845.90

Finding the Fourth Proportional to 39,040,377.17, 53,875,725.48 and 21,637,845.90

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Solution

The fourth proportional to 39,040,377.17, 53,875,725.48 and 21,637,845.90 is: 29,860,230.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,040,377.17 : 53,875,725.48 = 21,637,845.90 : x
  2. Step 2: Convert to fraction form
    39,040,377.17/53,875,725.48 = 21,637,845.90/x
  3. Step 3: Cross multiply
    39,040,377.17x = 53,875,725.48 × 21,637,845.90
  4. Step 4: Simplify right side
    39,040,377.17x = 1,165,754,645,686,943.50
  5. Step 5: Solve for x
    x = 1,165,754,645,686,943.50/39,040,377.17
  6. Step 6: Final answer
    x = 29,860,230.11

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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.