Home / 13,623,954.24-18,800,919.94-7,428,985.75

Finding the Fourth Proportional to 13,623,954.24, 18,800,919.94 and 7,428,985.75

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Solution

The fourth proportional to 13,623,954.24, 18,800,919.94 and 7,428,985.75 is: 10,251,925.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,623,954.24 : 18,800,919.94 = 7,428,985.75 : x
  2. Step 2: Convert to fraction form
    13,623,954.24/18,800,919.94 = 7,428,985.75/x
  3. Step 3: Cross multiply
    13,623,954.24x = 18,800,919.94 × 7,428,985.75
  4. Step 4: Simplify right side
    13,623,954.24x = 139,671,766,321,150.86
  5. Step 5: Solve for x
    x = 139,671,766,321,150.86/13,623,954.24
  6. Step 6: Final answer
    x = 10,251,925.68

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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.