Home / 7,117,940.80-10,676,911.20-7,051,585.60

Finding the Fourth Proportional to 7,117,940.80, 10,676,911.20 and 7,051,585.60

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Solution

The fourth proportional to 7,117,940.80, 10,676,911.20 and 7,051,585.60 is: 10,577,378.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117,940.80 : 10,676,911.20 = 7,051,585.60 : x
  2. Step 2: Convert to fraction form
    7,117,940.80/10,676,911.20 = 7,051,585.60/x
  3. Step 3: Cross multiply
    7,117,940.80x = 10,676,911.20 × 7,051,585.60
  4. Step 4: Simplify right side
    7,117,940.80x = 75,289,153,270,398.70
  5. Step 5: Solve for x
    x = 75,289,153,270,398.70/7,117,940.80
  6. Step 6: Final answer
    x = 10,577,378.40

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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.