Home / 19,558,133.78-26,988,873.46-10,855,621.76

Finding the Fourth Proportional to 19,558,133.78, 26,988,873.46 and 10,855,621.76

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Solution

The fourth proportional to 19,558,133.78, 26,988,873.46 and 10,855,621.76 is: 14,980,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558,133.78 : 26,988,873.46 = 10,855,621.76 : x
  2. Step 2: Convert to fraction form
    19,558,133.78/26,988,873.46 = 10,855,621.76/x
  3. Step 3: Cross multiply
    19,558,133.78x = 26,988,873.46 × 10,855,621.76
  4. Step 4: Simplify right side
    19,558,133.78x = 292,981,002,010,262.50
  5. Step 5: Solve for x
    x = 292,981,002,010,262.50/19,558,133.78
  6. Step 6: Final answer
    x = 14,980,008.08

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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.