Home / 13,787,645.51-20,684,569.40-4,203,992.81

Finding the Fourth Proportional to 13,787,645.51, 20,684,569.40 and 4,203,992.81

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Solution

The fourth proportional to 13,787,645.51, 20,684,569.40 and 4,203,992.81 is: 6,306,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,645.51 : 20,684,569.40 = 4,203,992.81 : x
  2. Step 2: Convert to fraction form
    13,787,645.51/20,684,569.40 = 4,203,992.81/x
  3. Step 3: Cross multiply
    13,787,645.51x = 20,684,569.40 × 4,203,992.81
  4. Step 4: Simplify right side
    13,787,645.51x = 86,957,781,014,526.05
  5. Step 5: Solve for x
    x = 86,957,781,014,526.05/13,787,645.51
  6. Step 6: Final answer
    x = 6,306,934.78

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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.