Home / 6,221,505.70-9,332,258.55-5,158,623.70

Finding the Fourth Proportional to 6,221,505.70, 9,332,258.55 and 5,158,623.70

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Solution

The fourth proportional to 6,221,505.70, 9,332,258.55 and 5,158,623.70 is: 7,737,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,221,505.70 : 9,332,258.55 = 5,158,623.70 : x
  2. Step 2: Convert to fraction form
    6,221,505.70/9,332,258.55 = 5,158,623.70/x
  3. Step 3: Cross multiply
    6,221,505.70x = 9,332,258.55 × 5,158,623.70
  4. Step 4: Simplify right side
    6,221,505.70x = 48,141,610,130,557.64
  5. Step 5: Solve for x
    x = 48,141,610,130,557.64/6,221,505.70
  6. Step 6: Final answer
    x = 7,737,935.55

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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.