Home / 21,567,779.85-32,367,737.40-15,825,352.31

Finding the Fourth Proportional to 21,567,779.85, 32,367,737.40 and 15,825,352.31

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Solution

The fourth proportional to 21,567,779.85, 32,367,737.40 and 15,825,352.31 is: 23,749,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,567,779.85 : 32,367,737.40 = 15,825,352.31 : x
  2. Step 2: Convert to fraction form
    21,567,779.85/32,367,737.40 = 15,825,352.31/x
  3. Step 3: Cross multiply
    21,567,779.85x = 32,367,737.40 × 15,825,352.31
  4. Step 4: Simplify right side
    21,567,779.85x = 512,230,847,914,827.12
  5. Step 5: Solve for x
    x = 512,230,847,914,827.12/21,567,779.85
  6. Step 6: Final answer
    x = 23,749,818.09

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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.