Home / 13,503,991.16-18,635,506.34-7,309,036.74

Finding the Fourth Proportional to 13,503,991.16, 18,635,506.34 and 7,309,036.74

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Solution

The fourth proportional to 13,503,991.16, 18,635,506.34 and 7,309,036.74 is: 10,086,469.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503,991.16 : 18,635,506.34 = 7,309,036.74 : x
  2. Step 2: Convert to fraction form
    13,503,991.16/18,635,506.34 = 7,309,036.74/x
  3. Step 3: Cross multiply
    13,503,991.16x = 18,635,506.34 × 7,309,036.74
  4. Step 4: Simplify right side
    13,503,991.16x = 136,207,600,507,562.94
  5. Step 5: Solve for x
    x = 136,207,600,507,562.94/13,503,991.16
  6. Step 6: Final answer
    x = 10,086,469.91

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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.