Home / 13,579,731.60-18,739,769.73-7,468,160.10

Finding the Fourth Proportional to 13,579,731.60, 18,739,769.73 and 7,468,160.10

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Solution

The fourth proportional to 13,579,731.60, 18,739,769.73 and 7,468,160.10 is: 10,305,918.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,731.60 : 18,739,769.73 = 7,468,160.10 : x
  2. Step 2: Convert to fraction form
    13,579,731.60/18,739,769.73 = 7,468,160.10/x
  3. Step 3: Cross multiply
    13,579,731.60x = 18,739,769.73 × 7,468,160.10
  4. Step 4: Simplify right side
    13,579,731.60x = 139,951,600,580,773.77
  5. Step 5: Solve for x
    x = 139,951,600,580,773.77/13,579,731.60
  6. Step 6: Final answer
    x = 10,305,918.02

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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.