Home / 27,917,931-41,876,911.80-12,761,233.68

Finding the Fourth Proportional to 27,917,931, 41,876,911.80 and 12,761,233.68

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Solution

The fourth proportional to 27,917,931, 41,876,911.80 and 12,761,233.68 is: 19,141,857.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,917,931 : 41,876,911.80 = 12,761,233.68 : x
  2. Step 2: Convert to fraction form
    27,917,931/41,876,911.80 = 12,761,233.68/x
  3. Step 3: Cross multiply
    27,917,931x = 41,876,911.80 × 12,761,233.68
  4. Step 4: Simplify right side
    27,917,931x = 534,401,057,276,549.38
  5. Step 5: Solve for x
    x = 534,401,057,276,549.38/27,917,931
  6. Step 6: Final answer
    x = 19,141,857.51

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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.