Home / 8,910,972-13,366,720.44-2,179,386

Finding the Fourth Proportional to 8,910,972, 13,366,720.44 and 2,179,386

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Solution

The fourth proportional to 8,910,972, 13,366,720.44 and 2,179,386 is: 3,269,143.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910,972 : 13,366,720.44 = 2,179,386 : x
  2. Step 2: Convert to fraction form
    8,910,972/13,366,720.44 = 2,179,386/x
  3. Step 3: Cross multiply
    8,910,972x = 13,366,720.44 × 2,179,386
  4. Step 4: Simplify right side
    8,910,972x = 29,131,243,392,849.84
  5. Step 5: Solve for x
    x = 29,131,243,392,849.84/8,910,972
  6. Step 6: Final answer
    x = 3,269,143.19

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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.