Home / 7,470,015.30-11,205,022.95-7,155,087.30

Finding the Fourth Proportional to 7,470,015.30, 11,205,022.95 and 7,155,087.30

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Solution

The fourth proportional to 7,470,015.30, 11,205,022.95 and 7,155,087.30 is: 10,732,630.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470,015.30 : 11,205,022.95 = 7,155,087.30 : x
  2. Step 2: Convert to fraction form
    7,470,015.30/11,205,022.95 = 7,155,087.30/x
  3. Step 3: Cross multiply
    7,470,015.30x = 11,205,022.95 × 7,155,087.30
  4. Step 4: Simplify right side
    7,470,015.30x = 80,172,917,405,753.53
  5. Step 5: Solve for x
    x = 80,172,917,405,753.53/7,470,015.30
  6. Step 6: Final answer
    x = 10,732,630.95

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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.