Home / 7,328,148.80-10,992,223.20-3,073,121.60

Finding the Fourth Proportional to 7,328,148.80, 10,992,223.20 and 3,073,121.60

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Solution

The fourth proportional to 7,328,148.80, 10,992,223.20 and 3,073,121.60 is: 4,609,682.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,148.80 : 10,992,223.20 = 3,073,121.60 : x
  2. Step 2: Convert to fraction form
    7,328,148.80/10,992,223.20 = 3,073,121.60/x
  3. Step 3: Cross multiply
    7,328,148.80x = 10,992,223.20 × 3,073,121.60
  4. Step 4: Simplify right side
    7,328,148.80x = 33,780,438,547,941.12
  5. Step 5: Solve for x
    x = 33,780,438,547,941.12/7,328,148.80
  6. Step 6: Final answer
    x = 4,609,682.40

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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.