Home / 26,112,445.60-39,168,668.40-8,161,520.80

Finding the Fourth Proportional to 26,112,445.60, 39,168,668.40 and 8,161,520.80

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Solution

The fourth proportional to 26,112,445.60, 39,168,668.40 and 8,161,520.80 is: 12,242,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,112,445.60 : 39,168,668.40 = 8,161,520.80 : x
  2. Step 2: Convert to fraction form
    26,112,445.60/39,168,668.40 = 8,161,520.80/x
  3. Step 3: Cross multiply
    26,112,445.60x = 39,168,668.40 × 8,161,520.80
  4. Step 4: Simplify right side
    26,112,445.60x = 319,675,901,854,902.69
  5. Step 5: Solve for x
    x = 319,675,901,854,902.69/26,112,445.60
  6. Step 6: Final answer
    x = 12,242,281.20

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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.