Home / 6,911,997.80-10,367,996.70-4,777,572.20

Finding the Fourth Proportional to 6,911,997.80, 10,367,996.70 and 4,777,572.20

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Solution

The fourth proportional to 6,911,997.80, 10,367,996.70 and 4,777,572.20 is: 7,166,358.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911,997.80 : 10,367,996.70 = 4,777,572.20 : x
  2. Step 2: Convert to fraction form
    6,911,997.80/10,367,996.70 = 4,777,572.20/x
  3. Step 3: Cross multiply
    6,911,997.80x = 10,367,996.70 × 4,777,572.20
  4. Step 4: Simplify right side
    6,911,997.80x = 49,533,852,803,611.74
  5. Step 5: Solve for x
    x = 49,533,852,803,611.74/6,911,997.80
  6. Step 6: Final answer
    x = 7,166,358.30

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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.