Home / 21,343,350.40-32,015,100.80-5,169,312.32

Finding the Fourth Proportional to 21,343,350.40, 32,015,100.80 and 5,169,312.32

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Solution

The fourth proportional to 21,343,350.40, 32,015,100.80 and 5,169,312.32 is: 7,753,986.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,343,350.40 : 32,015,100.80 = 5,169,312.32 : x
  2. Step 2: Convert to fraction form
    21,343,350.40/32,015,100.80 = 5,169,312.32/x
  3. Step 3: Cross multiply
    21,343,350.40x = 32,015,100.80 × 5,169,312.32
  4. Step 4: Simplify right side
    21,343,350.40x = 165,496,054,991,481.88
  5. Step 5: Solve for x
    x = 165,496,054,991,481.88/21,343,350.40
  6. Step 6: Final answer
    x = 7,753,986.69

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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.