Home / 21,008,549.86-29,015,713.56-14,121,074.50

Finding the Fourth Proportional to 21,008,549.86, 29,015,713.56 and 14,121,074.50

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Solution

The fourth proportional to 21,008,549.86, 29,015,713.56 and 14,121,074.50 is: 19,503,157.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,008,549.86 : 29,015,713.56 = 14,121,074.50 : x
  2. Step 2: Convert to fraction form
    21,008,549.86/29,015,713.56 = 14,121,074.50/x
  3. Step 3: Cross multiply
    21,008,549.86x = 29,015,713.56 × 14,121,074.50
  4. Step 4: Simplify right side
    21,008,549.86x = 409,733,052,851,420.19
  5. Step 5: Solve for x
    x = 409,733,052,851,420.19/21,008,549.86
  6. Step 6: Final answer
    x = 19,503,157.31

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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.