Home / 39,869,264.25-55,019,623.68-21,534,549.75

Finding the Fourth Proportional to 39,869,264.25, 55,019,623.68 and 21,534,549.75

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Solution

The fourth proportional to 39,869,264.25, 55,019,623.68 and 21,534,549.75 is: 29,717,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,869,264.25 : 55,019,623.68 = 21,534,549.75 : x
  2. Step 2: Convert to fraction form
    39,869,264.25/55,019,623.68 = 21,534,549.75/x
  3. Step 3: Cross multiply
    39,869,264.25x = 55,019,623.68 × 21,534,549.75
  4. Step 4: Simplify right side
    39,869,264.25x = 1,184,822,823,363,238
  5. Step 5: Solve for x
    x = 1,184,822,823,363,238/39,869,264.25
  6. Step 6: Final answer
    x = 29,717,699.73

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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.