Home / 8,991,012.30-13,486,518.45-5,211,876.30

Finding the Fourth Proportional to 8,991,012.30, 13,486,518.45 and 5,211,876.30

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Solution

The fourth proportional to 8,991,012.30, 13,486,518.45 and 5,211,876.30 is: 7,817,814.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,012.30 : 13,486,518.45 = 5,211,876.30 : x
  2. Step 2: Convert to fraction form
    8,991,012.30/13,486,518.45 = 5,211,876.30/x
  3. Step 3: Cross multiply
    8,991,012.30x = 13,486,518.45 × 5,211,876.30
  4. Step 4: Simplify right side
    8,991,012.30x = 70,290,065,879,067.73
  5. Step 5: Solve for x
    x = 70,290,065,879,067.73/8,991,012.30
  6. Step 6: Final answer
    x = 7,817,814.45

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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.