Home / 13,109,927.76-18,091,711.46-7,308,593.15

Finding the Fourth Proportional to 13,109,927.76, 18,091,711.46 and 7,308,593.15

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Solution

The fourth proportional to 13,109,927.76, 18,091,711.46 and 7,308,593.15 is: 10,085,864.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,109,927.76 : 18,091,711.46 = 7,308,593.15 : x
  2. Step 2: Convert to fraction form
    13,109,927.76/18,091,711.46 = 7,308,593.15/x
  3. Step 3: Cross multiply
    13,109,927.76x = 18,091,711.46 × 7,308,593.15
  4. Step 4: Simplify right side
    13,109,927.76x = 132,224,958,376,145.41
  5. Step 5: Solve for x
    x = 132,224,958,376,145.41/13,109,927.76
  6. Step 6: Final answer
    x = 10,085,864.76

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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.