Home / 13,984,371.72-19,298,793.78-7,873,018.92

Finding the Fourth Proportional to 13,984,371.72, 19,298,793.78 and 7,873,018.92

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Solution

The fourth proportional to 13,984,371.72, 19,298,793.78 and 7,873,018.92 is: 10,864,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984,371.72 : 19,298,793.78 = 7,873,018.92 : x
  2. Step 2: Convert to fraction form
    13,984,371.72/19,298,793.78 = 7,873,018.92/x
  3. Step 3: Cross multiply
    13,984,371.72x = 19,298,793.78 × 7,873,018.92
  4. Step 4: Simplify right side
    13,984,371.72x = 151,939,768,563,118.31
  5. Step 5: Solve for x
    x = 151,939,768,563,118.31/13,984,371.72
  6. Step 6: Final answer
    x = 10,864,969.24

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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.