Home / 11,880,443.70-16,402,417.06-8,165,671.12

Finding the Fourth Proportional to 11,880,443.70, 16,402,417.06 and 8,165,671.12

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Solution

The fourth proportional to 11,880,443.70, 16,402,417.06 and 8,165,671.12 is: 11,273,715.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880,443.70 : 16,402,417.06 = 8,165,671.12 : x
  2. Step 2: Convert to fraction form
    11,880,443.70/16,402,417.06 = 8,165,671.12/x
  3. Step 3: Cross multiply
    11,880,443.70x = 16,402,417.06 × 8,165,671.12
  4. Step 4: Simplify right side
    11,880,443.70x = 133,936,743,285,037.31
  5. Step 5: Solve for x
    x = 133,936,743,285,037.31/11,880,443.70
  6. Step 6: Final answer
    x = 11,273,715.58

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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.