Home / 21,409,526.50-29,544,395.15-11,619,773.64

Finding the Fourth Proportional to 21,409,526.50, 29,544,395.15 and 11,619,773.64

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Solution

The fourth proportional to 21,409,526.50, 29,544,395.15 and 11,619,773.64 is: 16,034,879.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,526.50 : 29,544,395.15 = 11,619,773.64 : x
  2. Step 2: Convert to fraction form
    21,409,526.50/29,544,395.15 = 11,619,773.64/x
  3. Step 3: Cross multiply
    21,409,526.50x = 29,544,395.15 × 11,619,773.64
  4. Step 4: Simplify right side
    21,409,526.50x = 343,299,184,002,763.31
  5. Step 5: Solve for x
    x = 343,299,184,002,763.31/21,409,526.50
  6. Step 6: Final answer
    x = 16,034,879.80

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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.