Home / 11,678,361-16,116,627.81-6,716,803.71

Finding the Fourth Proportional to 11,678,361, 16,116,627.81 and 6,716,803.71

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Solution

The fourth proportional to 11,678,361, 16,116,627.81 and 6,716,803.71 is: 9,269,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,678,361 : 16,116,627.81 = 6,716,803.71 : x
  2. Step 2: Convert to fraction form
    11,678,361/16,116,627.81 = 6,716,803.71/x
  3. Step 3: Cross multiply
    11,678,361x = 16,116,627.81 × 6,716,803.71
  4. Step 4: Simplify right side
    11,678,361x = 108,252,225,466,897.17
  5. Step 5: Solve for x
    x = 108,252,225,466,897.17/11,678,361
  6. Step 6: Final answer
    x = 9,269,470.73

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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.