Home / 7,776,455.70-11,658,851.55-3,992,654.10

Finding the Fourth Proportional to 7,776,455.70, 11,658,851.55 and 3,992,654.10

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Solution

The fourth proportional to 7,776,455.70, 11,658,851.55 and 3,992,654.10 is: 5,985,986.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,455.70 : 11,658,851.55 = 3,992,654.10 : x
  2. Step 2: Convert to fraction form
    7,776,455.70/11,658,851.55 = 3,992,654.10/x
  3. Step 3: Cross multiply
    7,776,455.70x = 11,658,851.55 × 3,992,654.10
  4. Step 4: Simplify right side
    7,776,455.70x = 46,549,761,442,398.86
  5. Step 5: Solve for x
    x = 46,549,761,442,398.86/7,776,455.70
  6. Step 6: Final answer
    x = 5,985,986.83

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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.