Home / 13,696,516.77-18,900,831.36-7,816,045.56

Finding the Fourth Proportional to 13,696,516.77, 18,900,831.36 and 7,816,045.56

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Solution

The fourth proportional to 13,696,516.77, 18,900,831.36 and 7,816,045.56 is: 10,785,936.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,696,516.77 : 18,900,831.36 = 7,816,045.56 : x
  2. Step 2: Convert to fraction form
    13,696,516.77/18,900,831.36 = 7,816,045.56/x
  3. Step 3: Cross multiply
    13,696,516.77x = 18,900,831.36 × 7,816,045.56
  4. Step 4: Simplify right side
    13,696,516.77x = 147,729,759,031,636.75
  5. Step 5: Solve for x
    x = 147,729,759,031,636.75/13,696,516.77
  6. Step 6: Final answer
    x = 10,785,936.42

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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.