Home / 21,008,548.86-29,015,712.18-14,121,073.50

Finding the Fourth Proportional to 21,008,548.86, 29,015,712.18 and 14,121,073.50

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Solution

The fourth proportional to 21,008,548.86, 29,015,712.18 and 14,121,073.50 is: 19,503,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,548.86 : 29,015,712.18 = 14,121,073.50 : x
  2. Step 2: Convert to fraction form
    21,008,548.86/29,015,712.18 = 14,121,073.50/x
  3. Step 3: Cross multiply
    21,008,548.86x = 29,015,712.18 × 14,121,073.50
  4. Step 4: Simplify right side
    21,008,548.86x = 409,733,004,348,625.25
  5. Step 5: Solve for x
    x = 409,733,004,348,625.25/21,008,548.86
  6. Step 6: Final answer
    x = 19,503,155.93

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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.