Home / 9,203,897.80-13,805,846.70-7,786,721.80

Finding the Fourth Proportional to 9,203,897.80, 13,805,846.70 and 7,786,721.80

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Solution

The fourth proportional to 9,203,897.80, 13,805,846.70 and 7,786,721.80 is: 11,680,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,203,897.80 : 13,805,846.70 = 7,786,721.80 : x
  2. Step 2: Convert to fraction form
    9,203,897.80/13,805,846.70 = 7,786,721.80/x
  3. Step 3: Cross multiply
    9,203,897.80x = 13,805,846.70 × 7,786,721.80
  4. Step 4: Simplify right side
    9,203,897.80x = 107,502,287,466,348.05
  5. Step 5: Solve for x
    x = 107,502,287,466,348.05/9,203,897.80
  6. Step 6: Final answer
    x = 11,680,082.70

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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.