Home / 7,164,703.28-9,887,029.49-3,901,446.43

Finding the Fourth Proportional to 7,164,703.28, 9,887,029.49 and 3,901,446.43

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Solution

The fourth proportional to 7,164,703.28, 9,887,029.49 and 3,901,446.43 is: 5,383,853.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164,703.28 : 9,887,029.49 = 3,901,446.43 : x
  2. Step 2: Convert to fraction form
    7,164,703.28/9,887,029.49 = 3,901,446.43/x
  3. Step 3: Cross multiply
    7,164,703.28x = 9,887,029.49 × 3,901,446.43
  4. Step 4: Simplify right side
    7,164,703.28x = 38,573,715,892,101.27
  5. Step 5: Solve for x
    x = 38,573,715,892,101.27/7,164,703.28
  6. Step 6: Final answer
    x = 5,383,853.93

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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.