Home / 19,558,134.78-26,988,874.84-10,855,622.76

Finding the Fourth Proportional to 19,558,134.78, 26,988,874.84 and 10,855,622.76

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Solution

The fourth proportional to 19,558,134.78, 26,988,874.84 and 10,855,622.76 is: 14,980,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558,134.78 : 26,988,874.84 = 10,855,622.76 : x
  2. Step 2: Convert to fraction form
    19,558,134.78/26,988,874.84 = 10,855,622.76/x
  3. Step 3: Cross multiply
    19,558,134.78x = 26,988,874.84 × 10,855,622.76
  4. Step 4: Simplify right side
    19,558,134.78x = 292,981,043,979,895.38
  5. Step 5: Solve for x
    x = 292,981,043,979,895.38/19,558,134.78
  6. Step 6: Final answer
    x = 14,980,009.46

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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.