Home / 20,406,983.16-30,610,284.75-8,273,562.52

Finding the Fourth Proportional to 20,406,983.16, 30,610,284.75 and 8,273,562.52

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Solution

The fourth proportional to 20,406,983.16, 30,610,284.75 and 8,273,562.52 is: 12,410,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,983.16 : 30,610,284.75 = 8,273,562.52 : x
  2. Step 2: Convert to fraction form
    20,406,983.16/30,610,284.75 = 8,273,562.52/x
  3. Step 3: Cross multiply
    20,406,983.16x = 30,610,284.75 × 8,273,562.52
  4. Step 4: Simplify right side
    20,406,983.16x = 253,256,104,701,087.56
  5. Step 5: Solve for x
    x = 253,256,104,701,087.56/20,406,983.16
  6. Step 6: Final answer
    x = 12,410,266.75

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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.