Home / 20,672,300.88-28,527,775.26-11,507,108.76

Finding the Fourth Proportional to 20,672,300.88, 28,527,775.26 and 11,507,108.76

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Solution

The fourth proportional to 20,672,300.88, 28,527,775.26 and 11,507,108.76 is: 15,879,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,672,300.88 : 28,527,775.26 = 11,507,108.76 : x
  2. Step 2: Convert to fraction form
    20,672,300.88/28,527,775.26 = 11,507,108.76/x
  3. Step 3: Cross multiply
    20,672,300.88x = 28,527,775.26 × 11,507,108.76
  4. Step 4: Simplify right side
    20,672,300.88x = 328,272,212,597,657.31
  5. Step 5: Solve for x
    x = 328,272,212,597,657.31/20,672,300.88
  6. Step 6: Final answer
    x = 15,879,810.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.