Home / 5,186,108.80-7,779,163.20-4,920,388.30

Finding the Fourth Proportional to 5,186,108.80, 7,779,163.20 and 4,920,388.30

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Solution

The fourth proportional to 5,186,108.80, 7,779,163.20 and 4,920,388.30 is: 7,380,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,186,108.80 : 7,779,163.20 = 4,920,388.30 : x
  2. Step 2: Convert to fraction form
    5,186,108.80/7,779,163.20 = 4,920,388.30/x
  3. Step 3: Cross multiply
    5,186,108.80x = 7,779,163.20 × 4,920,388.30
  4. Step 4: Simplify right side
    5,186,108.80x = 38,276,503,593,070.56
  5. Step 5: Solve for x
    x = 38,276,503,593,070.56/5,186,108.80
  6. Step 6: Final answer
    x = 7,380,582.45

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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.