Home / 19,300,300.78-28,951,382.22-6,346,164.64

Finding the Fourth Proportional to 19,300,300.78, 28,951,382.22 and 6,346,164.64

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Solution

The fourth proportional to 19,300,300.78, 28,951,382.22 and 6,346,164.64 is: 9,519,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,300,300.78 : 28,951,382.22 = 6,346,164.64 : x
  2. Step 2: Convert to fraction form
    19,300,300.78/28,951,382.22 = 6,346,164.64/x
  3. Step 3: Cross multiply
    19,300,300.78x = 28,951,382.22 × 6,346,164.64
  4. Step 4: Simplify right side
    19,300,300.78x = 183,730,238,123,688.69
  5. Step 5: Solve for x
    x = 183,730,238,123,688.69/19,300,300.78
  6. Step 6: Final answer
    x = 9,519,553.10

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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.