Home / 13,591,099.98-18,755,712.54-7,479,528.48

Finding the Fourth Proportional to 13,591,099.98, 18,755,712.54 and 7,479,528.48

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Solution

The fourth proportional to 13,591,099.98, 18,755,712.54 and 7,479,528.48 is: 10,321,746.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,591,099.98 : 18,755,712.54 = 7,479,528.48 : x
  2. Step 2: Convert to fraction form
    13,591,099.98/18,755,712.54 = 7,479,528.48/x
  3. Step 3: Cross multiply
    13,591,099.98x = 18,755,712.54 × 7,479,528.48
  4. Step 4: Simplify right side
    13,591,099.98x = 140,283,886,105,623.14
  5. Step 5: Solve for x
    x = 140,283,886,105,623.14/13,591,099.98
  6. Step 6: Final answer
    x = 10,321,746.31

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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.