Home / 7,057,474.80-10,586,212.20-6,406,623.60

Finding the Fourth Proportional to 7,057,474.80, 10,586,212.20 and 6,406,623.60

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Solution

The fourth proportional to 7,057,474.80, 10,586,212.20 and 6,406,623.60 is: 9,609,935.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,057,474.80 : 10,586,212.20 = 6,406,623.60 : x
  2. Step 2: Convert to fraction form
    7,057,474.80/10,586,212.20 = 6,406,623.60/x
  3. Step 3: Cross multiply
    7,057,474.80x = 10,586,212.20 × 6,406,623.60
  4. Step 4: Simplify right side
    7,057,474.80x = 67,821,876,915,127.91
  5. Step 5: Solve for x
    x = 67,821,876,915,127.91/7,057,474.80
  6. Step 6: Final answer
    x = 9,609,935.40

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Double scale
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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.