Home / 9,991,065.24-13,787,669.70-5,407,386.57

Finding the Fourth Proportional to 9,991,065.24, 13,787,669.70 and 5,407,386.57

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Solution

The fourth proportional to 9,991,065.24, 13,787,669.70 and 5,407,386.57 is: 7,462,193.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,065.24 : 13,787,669.70 = 5,407,386.57 : x
  2. Step 2: Convert to fraction form
    9,991,065.24/13,787,669.70 = 5,407,386.57/x
  3. Step 3: Cross multiply
    9,991,065.24x = 13,787,669.70 × 5,407,386.57
  4. Step 4: Simplify right side
    9,991,065.24x = 74,555,259,967,375.92
  5. Step 5: Solve for x
    x = 74,555,259,967,375.92/9,991,065.24
  6. Step 6: Final answer
    x = 7,462,193.29

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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.