Home / 23,778,820.80-35,679,290.40-12,432,081.60

Finding the Fourth Proportional to 23,778,820.80, 35,679,290.40 and 12,432,081.60

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Solution

The fourth proportional to 23,778,820.80, 35,679,290.40 and 12,432,081.60 is: 18,653,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,778,820.80 : 35,679,290.40 = 12,432,081.60 : x
  2. Step 2: Convert to fraction form
    23,778,820.80/35,679,290.40 = 12,432,081.60/x
  3. Step 3: Cross multiply
    23,778,820.80x = 35,679,290.40 × 12,432,081.60
  4. Step 4: Simplify right side
    23,778,820.80x = 443,567,849,682,896.62
  5. Step 5: Solve for x
    x = 443,567,849,682,896.62/23,778,820.80
  6. Step 6: Final answer
    x = 18,653,904.39

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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.