Home / 7,930,220.82-11,895,342.56-1,946,588.82

Finding the Fourth Proportional to 7,930,220.82, 11,895,342.56 and 1,946,588.82

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Solution

The fourth proportional to 7,930,220.82, 11,895,342.56 and 1,946,588.82 is: 2,919,886.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,930,220.82 : 11,895,342.56 = 1,946,588.82 : x
  2. Step 2: Convert to fraction form
    7,930,220.82/11,895,342.56 = 1,946,588.82/x
  3. Step 3: Cross multiply
    7,930,220.82x = 11,895,342.56 × 1,946,588.82
  4. Step 4: Simplify right side
    7,930,220.82x = 23,155,340,837,366.18
  5. Step 5: Solve for x
    x = 23,155,340,837,366.18/7,930,220.82
  6. Step 6: Final answer
    x = 2,919,886.01

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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.