Home / 21,556,530.20-32,334,795.30-13,903,779.80

Finding the Fourth Proportional to 21,556,530.20, 32,334,795.30 and 13,903,779.80

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Solution

The fourth proportional to 21,556,530.20, 32,334,795.30 and 13,903,779.80 is: 20,855,669.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,556,530.20 : 32,334,795.30 = 13,903,779.80 : x
  2. Step 2: Convert to fraction form
    21,556,530.20/32,334,795.30 = 13,903,779.80/x
  3. Step 3: Cross multiply
    21,556,530.20x = 32,334,795.30 × 13,903,779.80
  4. Step 4: Simplify right side
    21,556,530.20x = 449,575,873,729,275
  5. Step 5: Solve for x
    x = 449,575,873,729,275/21,556,530.20
  6. Step 6: Final answer
    x = 20,855,669.70

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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.