Home / 17,721,731.20-26,582,596.80-8,763,779.20

Finding the Fourth Proportional to 17,721,731.20, 26,582,596.80 and 8,763,779.20

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Solution

The fourth proportional to 17,721,731.20, 26,582,596.80 and 8,763,779.20 is: 13,145,668.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,721,731.20 : 26,582,596.80 = 8,763,779.20 : x
  2. Step 2: Convert to fraction form
    17,721,731.20/26,582,596.80 = 8,763,779.20/x
  3. Step 3: Cross multiply
    17,721,731.20x = 26,582,596.80 × 8,763,779.20
  4. Step 4: Simplify right side
    17,721,731.20x = 232,964,008,917,826.53
  5. Step 5: Solve for x
    x = 232,964,008,917,826.53/17,721,731.20
  6. Step 6: Final answer
    x = 13,145,668.80

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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.