Home / 12,141,067.78-16,754,717.98-6,634,443.28

Finding the Fourth Proportional to 12,141,067.78, 16,754,717.98 and 6,634,443.28

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Solution

The fourth proportional to 12,141,067.78, 16,754,717.98 and 6,634,443.28 is: 9,155,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,141,067.78 : 16,754,717.98 = 6,634,443.28 : x
  2. Step 2: Convert to fraction form
    12,141,067.78/16,754,717.98 = 6,634,443.28/x
  3. Step 3: Cross multiply
    12,141,067.78x = 16,754,717.98 × 6,634,443.28
  4. Step 4: Simplify right side
    12,141,067.78x = 111,158,226,110,706.19
  5. Step 5: Solve for x
    x = 111,158,226,110,706.19/12,141,067.78
  6. Step 6: Final answer
    x = 9,155,556.01

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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.