Home / 7,272,391.21-10,911,799.93-3,813,304.89

Finding the Fourth Proportional to 7,272,391.21, 10,911,799.93 and 3,813,304.89

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Solution

The fourth proportional to 7,272,391.21, 10,911,799.93 and 3,813,304.89 is: 5,721,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,391.21 : 10,911,799.93 = 3,813,304.89 : x
  2. Step 2: Convert to fraction form
    7,272,391.21/10,911,799.93 = 3,813,304.89/x
  3. Step 3: Cross multiply
    7,272,391.21x = 10,911,799.93 × 3,813,304.89
  4. Step 4: Simplify right side
    7,272,391.21x = 41,610,020,008,927.72
  5. Step 5: Solve for x
    x = 41,610,020,008,927.72/7,272,391.21
  6. Step 6: Final answer
    x = 5,721,642.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.