Home / 7,381,972.80-11,074,708.80-3,788,294.40

Finding the Fourth Proportional to 7,381,972.80, 11,074,708.80 and 3,788,294.40

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Solution

The fourth proportional to 7,381,972.80, 11,074,708.80 and 3,788,294.40 is: 5,683,339.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,972.80 : 11,074,708.80 = 3,788,294.40 : x
  2. Step 2: Convert to fraction form
    7,381,972.80/11,074,708.80 = 3,788,294.40/x
  3. Step 3: Cross multiply
    7,381,972.80x = 11,074,708.80 × 3,788,294.40
  4. Step 4: Simplify right side
    7,381,972.80x = 41,954,257,328,670.72
  5. Step 5: Solve for x
    x = 41,954,257,328,670.72/7,381,972.80
  6. Step 6: Final answer
    x = 5,683,339.46

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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.