Home / 25,080,015.15-34,610,779.58-18,789,396.39

Finding the Fourth Proportional to 25,080,015.15, 34,610,779.58 and 18,789,396.39

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Solution

The fourth proportional to 25,080,015.15, 34,610,779.58 and 18,789,396.39 is: 25,929,635.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,080,015.15 : 34,610,779.58 = 18,789,396.39 : x
  2. Step 2: Convert to fraction form
    25,080,015.15/34,610,779.58 = 18,789,396.39/x
  3. Step 3: Cross multiply
    25,080,015.15x = 34,610,779.58 × 18,789,396.39
  4. Step 4: Simplify right side
    25,080,015.15x = 650,315,656,801,590.75
  5. Step 5: Solve for x
    x = 650,315,656,801,590.75/25,080,015.15
  6. Step 6: Final answer
    x = 25,929,635.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.