Home / 18,501,980.92-27,780,253.85-10,320,608.67

Finding the Fourth Proportional to 18,501,980.92, 27,780,253.85 and 10,320,608.67

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Solution

The fourth proportional to 18,501,980.92, 27,780,253.85 and 10,320,608.67 is: 15,496,131.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,501,980.92 : 27,780,253.85 = 10,320,608.67 : x
  2. Step 2: Convert to fraction form
    18,501,980.92/27,780,253.85 = 10,320,608.67/x
  3. Step 3: Cross multiply
    18,501,980.92x = 27,780,253.85 × 10,320,608.67
  4. Step 4: Simplify right side
    18,501,980.92x = 286,709,128,758,946.94
  5. Step 5: Solve for x
    x = 286,709,128,758,946.94/18,501,980.92
  6. Step 6: Final answer
    x = 15,496,131.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.