Home / 20,138,629.80-30,207,944.70-6,675,457.80

Finding the Fourth Proportional to 20,138,629.80, 30,207,944.70 and 6,675,457.80

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Solution

The fourth proportional to 20,138,629.80, 30,207,944.70 and 6,675,457.80 is: 10,013,186.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,138,629.80 : 30,207,944.70 = 6,675,457.80 : x
  2. Step 2: Convert to fraction form
    20,138,629.80/30,207,944.70 = 6,675,457.80/x
  3. Step 3: Cross multiply
    20,138,629.80x = 30,207,944.70 × 6,675,457.80
  4. Step 4: Simplify right side
    20,138,629.80x = 201,651,860,069,583.66
  5. Step 5: Solve for x
    x = 201,651,860,069,583.66/20,138,629.80
  6. Step 6: Final answer
    x = 10,013,186.70

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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.