Home / 10,883,468.92-15,018,736.08-5,921,930.76

Finding the Fourth Proportional to 10,883,468.92, 15,018,736.08 and 5,921,930.76

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Solution

The fourth proportional to 10,883,468.92, 15,018,736.08 and 5,921,930.76 is: 8,172,019.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,883,468.92 : 15,018,736.08 = 5,921,930.76 : x
  2. Step 2: Convert to fraction form
    10,883,468.92/15,018,736.08 = 5,921,930.76/x
  3. Step 3: Cross multiply
    10,883,468.92x = 15,018,736.08 × 5,921,930.76
  4. Step 4: Simplify right side
    10,883,468.92x = 88,939,915,168,473.81
  5. Step 5: Solve for x
    x = 88,939,915,168,473.81/10,883,468.92
  6. Step 6: Final answer
    x = 8,172,019.03

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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.