Home / 7,277,067.80-10,915,601.70-5,149,554.20

Finding the Fourth Proportional to 7,277,067.80, 10,915,601.70 and 5,149,554.20

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Solution

The fourth proportional to 7,277,067.80, 10,915,601.70 and 5,149,554.20 is: 7,724,331.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,277,067.80 : 10,915,601.70 = 5,149,554.20 : x
  2. Step 2: Convert to fraction form
    7,277,067.80/10,915,601.70 = 5,149,554.20/x
  3. Step 3: Cross multiply
    7,277,067.80x = 10,915,601.70 × 5,149,554.20
  4. Step 4: Simplify right side
    7,277,067.80x = 56,210,482,579,762.14
  5. Step 5: Solve for x
    x = 56,210,482,579,762.14/7,277,067.80
  6. Step 6: Final answer
    x = 7,724,331.30

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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.