Home / 6,912,002.80-10,368,004.20-6,464,105.20

Finding the Fourth Proportional to 6,912,002.80, 10,368,004.20 and 6,464,105.20

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Solution

The fourth proportional to 6,912,002.80, 10,368,004.20 and 6,464,105.20 is: 9,696,157.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,002.80 : 10,368,004.20 = 6,464,105.20 : x
  2. Step 2: Convert to fraction form
    6,912,002.80/10,368,004.20 = 6,464,105.20/x
  3. Step 3: Cross multiply
    6,912,002.80x = 10,368,004.20 × 6,464,105.20
  4. Step 4: Simplify right side
    6,912,002.80x = 67,019,869,862,841.84
  5. Step 5: Solve for x
    x = 67,019,869,862,841.84/6,912,002.80
  6. Step 6: Final answer
    x = 9,696,157.80

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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.