Home / 21,409,643.44-32,120,764.80-8,623,566.64

Finding the Fourth Proportional to 21,409,643.44, 32,120,764.80 and 8,623,566.64

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Solution

The fourth proportional to 21,409,643.44, 32,120,764.80 and 8,623,566.64 is: 12,937,887.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,643.44 : 32,120,764.80 = 8,623,566.64 : x
  2. Step 2: Convert to fraction form
    21,409,643.44/32,120,764.80 = 8,623,566.64/x
  3. Step 3: Cross multiply
    21,409,643.44x = 32,120,764.80 × 8,623,566.64
  4. Step 4: Simplify right side
    21,409,643.44x = 276,995,555,780,566.31
  5. Step 5: Solve for x
    x = 276,995,555,780,566.31/21,409,643.44
  6. Step 6: Final answer
    x = 12,937,887.39

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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.