Home / 20,406,985.16-30,610,287.75-8,273,564.52

Finding the Fourth Proportional to 20,406,985.16, 30,610,287.75 and 8,273,564.52

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Solution

The fourth proportional to 20,406,985.16, 30,610,287.75 and 8,273,564.52 is: 12,410,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,406,985.16 : 30,610,287.75 = 8,273,564.52 : x
  2. Step 2: Convert to fraction form
    20,406,985.16/30,610,287.75 = 8,273,564.52/x
  3. Step 3: Cross multiply
    20,406,985.16x = 30,610,287.75 × 8,273,564.52
  4. Step 4: Simplify right side
    20,406,985.16x = 253,256,190,675,390.62
  5. Step 5: Solve for x
    x = 253,256,190,675,390.62/20,406,985.16
  6. Step 6: Final answer
    x = 12,410,269.75

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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.