Home / 26,972,103.60-40,458,155.40-8,778,013.20

Finding the Fourth Proportional to 26,972,103.60, 40,458,155.40 and 8,778,013.20

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Solution

The fourth proportional to 26,972,103.60, 40,458,155.40 and 8,778,013.20 is: 13,167,019.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,972,103.60 : 40,458,155.40 = 8,778,013.20 : x
  2. Step 2: Convert to fraction form
    26,972,103.60/40,458,155.40 = 8,778,013.20/x
  3. Step 3: Cross multiply
    26,972,103.60x = 40,458,155.40 × 8,778,013.20
  4. Step 4: Simplify right side
    26,972,103.60x = 355,142,222,148,851.25
  5. Step 5: Solve for x
    x = 355,142,222,148,851.25/26,972,103.60
  6. Step 6: Final answer
    x = 13,167,019.80

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1.5x scale

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.