Home / 7,237,590.98-9,987,990.30-3,929,883.35

Finding the Fourth Proportional to 7,237,590.98, 9,987,990.30 and 3,929,883.35

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Solution

The fourth proportional to 7,237,590.98, 9,987,990.30 and 3,929,883.35 is: 5,423,301.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,590.98 : 9,987,990.30 = 3,929,883.35 : x
  2. Step 2: Convert to fraction form
    7,237,590.98/9,987,990.30 = 3,929,883.35/x
  3. Step 3: Cross multiply
    7,237,590.98x = 9,987,990.30 × 3,929,883.35
  4. Step 4: Simplify right side
    7,237,590.98x = 39,251,636,729,991.55
  5. Step 5: Solve for x
    x = 39,251,636,729,991.55/7,237,590.98
  6. Step 6: Final answer
    x = 5,423,301.33

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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.