Home / 8,302,079.40-12,453,119.10-6,622,463.40

Finding the Fourth Proportional to 8,302,079.40, 12,453,119.10 and 6,622,463.40

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Solution

The fourth proportional to 8,302,079.40, 12,453,119.10 and 6,622,463.40 is: 9,933,695.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302,079.40 : 12,453,119.10 = 6,622,463.40 : x
  2. Step 2: Convert to fraction form
    8,302,079.40/12,453,119.10 = 6,622,463.40/x
  3. Step 3: Cross multiply
    8,302,079.40x = 12,453,119.10 × 6,622,463.40
  4. Step 4: Simplify right side
    8,302,079.40x = 82,470,325,455,590.94
  5. Step 5: Solve for x
    x = 82,470,325,455,590.94/8,302,079.40
  6. Step 6: Final answer
    x = 9,933,695.10

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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.