Home / 11,005,981.07-16,434,857.16-8,988,227.73

Finding the Fourth Proportional to 11,005,981.07, 16,434,857.16 and 8,988,227.73

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Solution

The fourth proportional to 11,005,981.07, 16,434,857.16 and 8,988,227.73 is: 13,421,814.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,005,981.07 : 16,434,857.16 = 8,988,227.73 : x
  2. Step 2: Convert to fraction form
    11,005,981.07/16,434,857.16 = 8,988,227.73/x
  3. Step 3: Cross multiply
    11,005,981.07x = 16,434,857.16 × 8,988,227.73
  4. Step 4: Simplify right side
    11,005,981.07x = 147,720,238,864,101.06
  5. Step 5: Solve for x
    x = 147,720,238,864,101.06/11,005,981.07
  6. Step 6: Final answer
    x = 13,421,814.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.