Home / 7,111,521.20-9,813,925.11-3,848,335.62

Finding the Fourth Proportional to 7,111,521.20, 9,813,925.11 and 3,848,335.62

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Solution

The fourth proportional to 7,111,521.20, 9,813,925.11 and 3,848,335.62 is: 5,310,717.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,111,521.20 : 9,813,925.11 = 3,848,335.62 : x
  2. Step 2: Convert to fraction form
    7,111,521.20/9,813,925.11 = 3,848,335.62/x
  3. Step 3: Cross multiply
    7,111,521.20x = 9,813,925.11 × 3,848,335.62
  4. Step 4: Simplify right side
    7,111,521.20x = 37,767,277,572,825.41
  5. Step 5: Solve for x
    x = 37,767,277,572,825.41/7,111,521.20
  6. Step 6: Final answer
    x = 5,310,717.15

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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.