Home / 9,689,897.81-13,372,361.61-5,560,684.16

Finding the Fourth Proportional to 9,689,897.81, 13,372,361.61 and 5,560,684.16

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Solution

The fourth proportional to 9,689,897.81, 13,372,361.61 and 5,560,684.16 is: 7,673,917.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,689,897.81 : 13,372,361.61 = 5,560,684.16 : x
  2. Step 2: Convert to fraction form
    9,689,897.81/13,372,361.61 = 5,560,684.16/x
  3. Step 3: Cross multiply
    9,689,897.81x = 13,372,361.61 × 5,560,684.16
  4. Step 4: Simplify right side
    9,689,897.81x = 74,359,479,419,950
  5. Step 5: Solve for x
    x = 74,359,479,419,950/9,689,897.81
  6. Step 6: Final answer
    x = 7,673,917.81

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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.