Home / 7,328,132.80-10,992,199.20-5,509,423.60

Finding the Fourth Proportional to 7,328,132.80, 10,992,199.20 and 5,509,423.60

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Solution

The fourth proportional to 7,328,132.80, 10,992,199.20 and 5,509,423.60 is: 8,264,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328,132.80 : 10,992,199.20 = 5,509,423.60 : x
  2. Step 2: Convert to fraction form
    7,328,132.80/10,992,199.20 = 5,509,423.60/x
  3. Step 3: Cross multiply
    7,328,132.80x = 10,992,199.20 × 5,509,423.60
  4. Step 4: Simplify right side
    7,328,132.80x = 60,560,681,688,381.11
  5. Step 5: Solve for x
    x = 60,560,681,688,381.11/7,328,132.80
  6. Step 6: Final answer
    x = 8,264,135.40

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1.5x scale

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.