Home / 15,915,099.11-21,962,836.94-8,671,755.11

Finding the Fourth Proportional to 15,915,099.11, 21,962,836.94 and 8,671,755.11

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Solution

The fourth proportional to 15,915,099.11, 21,962,836.94 and 8,671,755.11 is: 11,967,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915,099.11 : 21,962,836.94 = 8,671,755.11 : x
  2. Step 2: Convert to fraction form
    15,915,099.11/21,962,836.94 = 8,671,755.11/x
  3. Step 3: Cross multiply
    15,915,099.11x = 21,962,836.94 × 8,671,755.11
  4. Step 4: Simplify right side
    15,915,099.11x = 190,456,343,311,368.81
  5. Step 5: Solve for x
    x = 190,456,343,311,368.81/15,915,099.11
  6. Step 6: Final answer
    x = 11,967,022.14

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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.