Home / 18,712,906.86-28,040,427.74-14,604,486.60

Finding the Fourth Proportional to 18,712,906.86, 28,040,427.74 and 14,604,486.60

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Solution

The fourth proportional to 18,712,906.86, 28,040,427.74 and 14,604,486.60 is: 21,884,149.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,712,906.86 : 28,040,427.74 = 14,604,486.60 : x
  2. Step 2: Convert to fraction form
    18,712,906.86/28,040,427.74 = 14,604,486.60/x
  3. Step 3: Cross multiply
    18,712,906.86x = 28,040,427.74 × 14,604,486.60
  4. Step 4: Simplify right side
    18,712,906.86x = 409,516,051,187,098.25
  5. Step 5: Solve for x
    x = 409,516,051,187,098.25/18,712,906.86
  6. Step 6: Final answer
    x = 21,884,149.49

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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.