Home / 28,375,094.43-39,149,529.12-15,980,852.85

Finding the Fourth Proportional to 28,375,094.43, 39,149,529.12 and 15,980,852.85

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Solution

The fourth proportional to 28,375,094.43, 39,149,529.12 and 15,980,852.85 is: 22,049,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,375,094.43 : 39,149,529.12 = 15,980,852.85 : x
  2. Step 2: Convert to fraction form
    28,375,094.43/39,149,529.12 = 15,980,852.85/x
  3. Step 3: Cross multiply
    28,375,094.43x = 39,149,529.12 × 15,980,852.85
  4. Step 4: Simplify right side
    28,375,094.43x = 625,642,864,013,509.88
  5. Step 5: Solve for x
    x = 625,642,864,013,509.88/28,375,094.43
  6. Step 6: Final answer
    x = 22,049,014.34

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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.