Home / 7,143,060.33-9,857,497.30-3,879,938.48

Finding the Fourth Proportional to 7,143,060.33, 9,857,497.30 and 3,879,938.48

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Solution

The fourth proportional to 7,143,060.33, 9,857,497.30 and 3,879,938.48 is: 5,354,355.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,143,060.33 : 9,857,497.30 = 3,879,938.48 : x
  2. Step 2: Convert to fraction form
    7,143,060.33/9,857,497.30 = 3,879,938.48/x
  3. Step 3: Cross multiply
    7,143,060.33x = 9,857,497.30 × 3,879,938.48
  4. Step 4: Simplify right side
    7,143,060.33x = 38,246,483,031,778.77
  5. Step 5: Solve for x
    x = 38,246,483,031,778.77/7,143,060.33
  6. Step 6: Final answer
    x = 5,354,355.31

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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.