Home / 7,139,615.91-9,860,782.11-4,812,494.82

Finding the Fourth Proportional to 7,139,615.91, 9,860,782.11 and 4,812,494.82

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Solution

The fourth proportional to 7,139,615.91, 9,860,782.11 and 4,812,494.82 is: 6,646,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,615.91 : 9,860,782.11 = 4,812,494.82 : x
  2. Step 2: Convert to fraction form
    7,139,615.91/9,860,782.11 = 4,812,494.82/x
  3. Step 3: Cross multiply
    7,139,615.91x = 9,860,782.11 × 4,812,494.82
  4. Step 4: Simplify right side
    7,139,615.91x = 47,454,962,825,523.67
  5. Step 5: Solve for x
    x = 47,454,962,825,523.67/7,139,615.91
  6. Step 6: Final answer
    x = 6,646,710.89

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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.