Home / 20,602,060.77-30,902,776.77-6,964,786.87

Finding the Fourth Proportional to 20,602,060.77, 30,902,776.77 and 6,964,786.87

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Solution

The fourth proportional to 20,602,060.77, 30,902,776.77 and 6,964,786.87 is: 10,447,074.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,602,060.77 : 30,902,776.77 = 6,964,786.87 : x
  2. Step 2: Convert to fraction form
    20,602,060.77/30,902,776.77 = 6,964,786.87/x
  3. Step 3: Cross multiply
    20,602,060.77x = 30,902,776.77 × 6,964,786.87
  4. Step 4: Simplify right side
    20,602,060.77x = 215,231,253,816,980.06
  5. Step 5: Solve for x
    x = 215,231,253,816,980.06/20,602,060.77
  6. Step 6: Final answer
    x = 10,447,074.02

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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.