Home / 11,801,101.60-17,701,652.40-7,812,013.60

Finding the Fourth Proportional to 11,801,101.60, 17,701,652.40 and 7,812,013.60

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Solution

The fourth proportional to 11,801,101.60, 17,701,652.40 and 7,812,013.60 is: 11,718,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,801,101.60 : 17,701,652.40 = 7,812,013.60 : x
  2. Step 2: Convert to fraction form
    11,801,101.60/17,701,652.40 = 7,812,013.60/x
  3. Step 3: Cross multiply
    11,801,101.60x = 17,701,652.40 × 7,812,013.60
  4. Step 4: Simplify right side
    11,801,101.60x = 138,285,549,291,272.62
  5. Step 5: Solve for x
    x = 138,285,549,291,272.62/11,801,101.60
  6. Step 6: Final answer
    x = 11,718,020.40

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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.