Home / 20,188,047.80-30,282,071.70-9,957,808.55

Finding the Fourth Proportional to 20,188,047.80, 30,282,071.70 and 9,957,808.55

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Solution

The fourth proportional to 20,188,047.80, 30,282,071.70 and 9,957,808.55 is: 14,936,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,188,047.80 : 30,282,071.70 = 9,957,808.55 : x
  2. Step 2: Convert to fraction form
    20,188,047.80/30,282,071.70 = 9,957,808.55/x
  3. Step 3: Cross multiply
    20,188,047.80x = 30,282,071.70 × 9,957,808.55
  4. Step 4: Simplify right side
    20,188,047.80x = 301,543,072,485,973.06
  5. Step 5: Solve for x
    x = 301,543,072,485,973.06/20,188,047.80
  6. Step 6: Final answer
    x = 14,936,712.83

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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.