Home / 12,422,056.14-18,636,073.92-5,235,645.42

Finding the Fourth Proportional to 12,422,056.14, 18,636,073.92 and 5,235,645.42

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Solution

The fourth proportional to 12,422,056.14, 18,636,073.92 and 5,235,645.42 is: 7,854,728.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,422,056.14 : 18,636,073.92 = 5,235,645.42 : x
  2. Step 2: Convert to fraction form
    12,422,056.14/18,636,073.92 = 5,235,645.42/x
  3. Step 3: Cross multiply
    12,422,056.14x = 18,636,073.92 × 5,235,645.42
  4. Step 4: Simplify right side
    12,422,056.14x = 97,571,875,066,029.45
  5. Step 5: Solve for x
    x = 97,571,875,066,029.45/12,422,056.14
  6. Step 6: Final answer
    x = 7,854,728.23

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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.