Home / 7,340,045.10-11,010,067.65-4,789,128.30

Finding the Fourth Proportional to 7,340,045.10, 11,010,067.65 and 4,789,128.30

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Solution

The fourth proportional to 7,340,045.10, 11,010,067.65 and 4,789,128.30 is: 7,183,692.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340,045.10 : 11,010,067.65 = 4,789,128.30 : x
  2. Step 2: Convert to fraction form
    7,340,045.10/11,010,067.65 = 4,789,128.30/x
  3. Step 3: Cross multiply
    7,340,045.10x = 11,010,067.65 × 4,789,128.30
  4. Step 4: Simplify right side
    7,340,045.10x = 52,728,626,567,529.49
  5. Step 5: Solve for x
    x = 52,728,626,567,529.49/7,340,045.10
  6. Step 6: Final answer
    x = 7,183,692.45

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Double scale
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Similar ratio
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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.