Home / 6,912,670.80-10,369,006.20-4,071,320.40

Finding the Fourth Proportional to 6,912,670.80, 10,369,006.20 and 4,071,320.40

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Solution

The fourth proportional to 6,912,670.80, 10,369,006.20 and 4,071,320.40 is: 6,106,980.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,670.80 : 10,369,006.20 = 4,071,320.40 : x
  2. Step 2: Convert to fraction form
    6,912,670.80/10,369,006.20 = 4,071,320.40/x
  3. Step 3: Cross multiply
    6,912,670.80x = 10,369,006.20 × 4,071,320.40
  4. Step 4: Simplify right side
    6,912,670.80x = 42,215,546,469,786.48
  5. Step 5: Solve for x
    x = 42,215,546,469,786.48/6,912,670.80
  6. Step 6: Final answer
    x = 6,106,980.60

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Similar ratio
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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.