Home / 13,478,450.49-18,600,260.70-7,283,499.97

Finding the Fourth Proportional to 13,478,450.49, 18,600,260.70 and 7,283,499.97

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Solution

The fourth proportional to 13,478,450.49, 18,600,260.70 and 7,283,499.97 is: 10,051,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,478,450.49 : 18,600,260.70 = 7,283,499.97 : x
  2. Step 2: Convert to fraction form
    13,478,450.49/18,600,260.70 = 7,283,499.97/x
  3. Step 3: Cross multiply
    13,478,450.49x = 18,600,260.70 × 7,283,499.97
  4. Step 4: Simplify right side
    13,478,450.49x = 135,474,998,225,160.47
  5. Step 5: Solve for x
    x = 135,474,998,225,160.47/13,478,450.49
  6. Step 6: Final answer
    x = 10,051,229.43

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1.5x scale

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.