Home / 20,208,068.10-30,309,149.70-5,829,636.60

Finding the Fourth Proportional to 20,208,068.10, 30,309,149.70 and 5,829,636.60

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Solution

The fourth proportional to 20,208,068.10, 30,309,149.70 and 5,829,636.60 is: 8,743,603.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,068.10 : 30,309,149.70 = 5,829,636.60 : x
  2. Step 2: Convert to fraction form
    20,208,068.10/30,309,149.70 = 5,829,636.60/x
  3. Step 3: Cross multiply
    20,208,068.10x = 30,309,149.70 × 5,829,636.60
  4. Step 4: Simplify right side
    20,208,068.10x = 176,691,328,405,999
  5. Step 5: Solve for x
    x = 176,691,328,405,999/20,208,068.10
  6. Step 6: Final answer
    x = 8,743,603.18

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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.