Home / 6,912,005.20-10,368,007.80-6,520,094.80

Finding the Fourth Proportional to 6,912,005.20, 10,368,007.80 and 6,520,094.80

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Solution

The fourth proportional to 6,912,005.20, 10,368,007.80 and 6,520,094.80 is: 9,780,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,005.20 : 10,368,007.80 = 6,520,094.80 : x
  2. Step 2: Convert to fraction form
    6,912,005.20/10,368,007.80 = 6,520,094.80/x
  3. Step 3: Cross multiply
    6,912,005.20x = 10,368,007.80 × 6,520,094.80
  4. Step 4: Simplify right side
    6,912,005.20x = 67,600,393,743,139.45
  5. Step 5: Solve for x
    x = 67,600,393,743,139.45/6,912,005.20
  6. Step 6: Final answer
    x = 9,780,142.20

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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.