Home / 12,951,478.68-19,425,448.36-3,854,980.24

Finding the Fourth Proportional to 12,951,478.68, 19,425,448.36 and 3,854,980.24

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Solution

The fourth proportional to 12,951,478.68, 19,425,448.36 and 3,854,980.24 is: 5,781,943.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,951,478.68 : 19,425,448.36 = 3,854,980.24 : x
  2. Step 2: Convert to fraction form
    12,951,478.68/19,425,448.36 = 3,854,980.24/x
  3. Step 3: Cross multiply
    12,951,478.68x = 19,425,448.36 × 3,854,980.24
  4. Step 4: Simplify right side
    12,951,478.68x = 74,884,719,580,940.41
  5. Step 5: Solve for x
    x = 74,884,719,580,940.41/12,951,478.68
  6. Step 6: Final answer
    x = 5,781,943.62

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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.