Home / 18,953,163-28,423,093.05-5,302,641.54

Finding the Fourth Proportional to 18,953,163, 28,423,093.05 and 5,302,641.54

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Solution

The fourth proportional to 18,953,163, 28,423,093.05 and 5,302,641.54 is: 7,952,101.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,953,163 : 28,423,093.05 = 5,302,641.54 : x
  2. Step 2: Convert to fraction form
    18,953,163/28,423,093.05 = 5,302,641.54/x
  3. Step 3: Cross multiply
    18,953,163x = 28,423,093.05 × 5,302,641.54
  4. Step 4: Simplify right side
    18,953,163x = 150,717,473,902,215.31
  5. Step 5: Solve for x
    x = 150,717,473,902,215.31/18,953,163
  6. Step 6: Final answer
    x = 7,952,101.39

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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.