Home / 7,237,604.48-9,988,008.93-3,929,896.85

Finding the Fourth Proportional to 7,237,604.48, 9,988,008.93 and 3,929,896.85

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Solution

The fourth proportional to 7,237,604.48, 9,988,008.93 and 3,929,896.85 is: 5,423,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,604.48 : 9,988,008.93 = 3,929,896.85 : x
  2. Step 2: Convert to fraction form
    7,237,604.48/9,988,008.93 = 3,929,896.85/x
  3. Step 3: Cross multiply
    7,237,604.48x = 9,988,008.93 × 3,929,896.85
  4. Step 4: Simplify right side
    7,237,604.48x = 39,251,844,781,838.83
  5. Step 5: Solve for x
    x = 39,251,844,781,838.83/7,237,604.48
  6. Step 6: Final answer
    x = 5,423,319.96

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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.