Home / 36,691,643.40-50,635,034.10-20,172,483.08

Finding the Fourth Proportional to 36,691,643.40, 50,635,034.10 and 20,172,483.08

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Solution

The fourth proportional to 36,691,643.40, 50,635,034.10 and 20,172,483.08 is: 27,838,337.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,691,643.40 : 50,635,034.10 = 20,172,483.08 : x
  2. Step 2: Convert to fraction form
    36,691,643.40/50,635,034.10 = 20,172,483.08/x
  3. Step 3: Cross multiply
    36,691,643.40x = 50,635,034.10 × 20,172,483.08
  4. Step 4: Simplify right side
    36,691,643.40x = 1,021,434,368,637,473
  5. Step 5: Solve for x
    x = 1,021,434,368,637,473/36,691,643.40
  6. Step 6: Final answer
    x = 27,838,337.94

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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.