Home / 26,375,421.60-39,563,132.40-18,722,671.20

Finding the Fourth Proportional to 26,375,421.60, 39,563,132.40 and 18,722,671.20

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Solution

The fourth proportional to 26,375,421.60, 39,563,132.40 and 18,722,671.20 is: 28,084,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,375,421.60 : 39,563,132.40 = 18,722,671.20 : x
  2. Step 2: Convert to fraction form
    26,375,421.60/39,563,132.40 = 18,722,671.20/x
  3. Step 3: Cross multiply
    26,375,421.60x = 39,563,132.40 × 18,722,671.20
  4. Step 4: Simplify right side
    26,375,421.60x = 740,727,519,567,266.88
  5. Step 5: Solve for x
    x = 740,727,519,567,266.88/26,375,421.60
  6. Step 6: Final answer
    x = 28,084,006.80

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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.