Home / 7,168,000.80-10,752,001.20-3,178,912.80

Finding the Fourth Proportional to 7,168,000.80, 10,752,001.20 and 3,178,912.80

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Solution

The fourth proportional to 7,168,000.80, 10,752,001.20 and 3,178,912.80 is: 4,768,369.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,168,000.80 : 10,752,001.20 = 3,178,912.80 : x
  2. Step 2: Convert to fraction form
    7,168,000.80/10,752,001.20 = 3,178,912.80/x
  3. Step 3: Cross multiply
    7,168,000.80x = 10,752,001.20 × 3,178,912.80
  4. Step 4: Simplify right side
    7,168,000.80x = 34,179,674,240,295.36
  5. Step 5: Solve for x
    x = 34,179,674,240,295.36/7,168,000.80
  6. Step 6: Final answer
    x = 4,768,369.20

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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.