Home / 7,739,320.86-11,609,225.52-1,982,090.76

Finding the Fourth Proportional to 7,739,320.86, 11,609,225.52 and 1,982,090.76

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Solution

The fourth proportional to 7,739,320.86, 11,609,225.52 and 1,982,090.76 is: 2,973,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739,320.86 : 11,609,225.52 = 1,982,090.76 : x
  2. Step 2: Convert to fraction form
    7,739,320.86/11,609,225.52 = 1,982,090.76/x
  3. Step 3: Cross multiply
    7,739,320.86x = 11,609,225.52 × 1,982,090.76
  4. Step 4: Simplify right side
    7,739,320.86x = 23,010,538,633,948.20
  5. Step 5: Solve for x
    x = 23,010,538,633,948.20/7,739,320.86
  6. Step 6: Final answer
    x = 2,973,198.69

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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.