Home / 21,782,666.12-32,677,548.40-6,431,507.58

Finding the Fourth Proportional to 21,782,666.12, 32,677,548.40 and 6,431,507.58

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Solution

The fourth proportional to 21,782,666.12, 32,677,548.40 and 6,431,507.58 is: 9,648,309.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,782,666.12 : 32,677,548.40 = 6,431,507.58 : x
  2. Step 2: Convert to fraction form
    21,782,666.12/32,677,548.40 = 6,431,507.58/x
  3. Step 3: Cross multiply
    21,782,666.12x = 32,677,548.40 × 6,431,507.58
  4. Step 4: Simplify right side
    21,782,666.12x = 210,165,900,230,416.88
  5. Step 5: Solve for x
    x = 210,165,900,230,416.88/21,782,666.12
  6. Step 6: Final answer
    x = 9,648,309.31

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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.