Home / 7,225,838.60-9,970,740.80-3,961,794.42

Finding the Fourth Proportional to 7,225,838.60, 9,970,740.80 and 3,961,794.42

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Solution

The fourth proportional to 7,225,838.60, 9,970,740.80 and 3,961,794.42 is: 5,466,773.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225,838.60 : 9,970,740.80 = 3,961,794.42 : x
  2. Step 2: Convert to fraction form
    7,225,838.60/9,970,740.80 = 3,961,794.42/x
  3. Step 3: Cross multiply
    7,225,838.60x = 9,970,740.80 × 3,961,794.42
  4. Step 4: Simplify right side
    7,225,838.60x = 39,502,025,264,706.34
  5. Step 5: Solve for x
    x = 39,502,025,264,706.34/7,225,838.60
  6. Step 6: Final answer
    x = 5,466,773.82

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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.