Home / 10,902,918.60-16,336,007.10-8,619,690.60

Finding the Fourth Proportional to 10,902,918.60, 16,336,007.10 and 8,619,690.60

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Solution

The fourth proportional to 10,902,918.60, 16,336,007.10 and 8,619,690.60 is: 12,915,012.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,902,918.60 : 16,336,007.10 = 8,619,690.60 : x
  2. Step 2: Convert to fraction form
    10,902,918.60/16,336,007.10 = 8,619,690.60/x
  3. Step 3: Cross multiply
    10,902,918.60x = 16,336,007.10 × 8,619,690.60
  4. Step 4: Simplify right side
    10,902,918.60x = 140,811,326,841,403.25
  5. Step 5: Solve for x
    x = 140,811,326,841,403.25/10,902,918.60
  6. Step 6: Final answer
    x = 12,915,012.21

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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.