Home / 13,513,279.14-18,650,180.59-8,285,362.70

Finding the Fourth Proportional to 13,513,279.14, 18,650,180.59 and 8,285,362.70

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Solution

The fourth proportional to 13,513,279.14, 18,650,180.59 and 8,285,362.70 is: 11,434,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,513,279.14 : 18,650,180.59 = 8,285,362.70 : x
  2. Step 2: Convert to fraction form
    13,513,279.14/18,650,180.59 = 8,285,362.70/x
  3. Step 3: Cross multiply
    13,513,279.14x = 18,650,180.59 × 8,285,362.70
  4. Step 4: Simplify right side
    13,513,279.14x = 154,523,510,494,685.69
  5. Step 5: Solve for x
    x = 154,523,510,494,685.69/13,513,279.14
  6. Step 6: Final answer
    x = 11,434,938.10

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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.