Home / 8,305,029.70-12,457,544.55-8,137,068.10

Finding the Fourth Proportional to 8,305,029.70, 12,457,544.55 and 8,137,068.10

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Solution

The fourth proportional to 8,305,029.70, 12,457,544.55 and 8,137,068.10 is: 12,205,602.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,029.70 : 12,457,544.55 = 8,137,068.10 : x
  2. Step 2: Convert to fraction form
    8,305,029.70/12,457,544.55 = 8,137,068.10/x
  3. Step 3: Cross multiply
    8,305,029.70x = 12,457,544.55 × 8,137,068.10
  4. Step 4: Simplify right side
    8,305,029.70x = 101,367,888,362,133.86
  5. Step 5: Solve for x
    x = 101,367,888,362,133.86/8,305,029.70
  6. Step 6: Final answer
    x = 12,205,602.15

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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.