Home / 8,064,313.10-12,096,469.65-7,420,460.30

Finding the Fourth Proportional to 8,064,313.10, 12,096,469.65 and 7,420,460.30

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Solution

The fourth proportional to 8,064,313.10, 12,096,469.65 and 7,420,460.30 is: 11,130,690.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,313.10 : 12,096,469.65 = 7,420,460.30 : x
  2. Step 2: Convert to fraction form
    8,064,313.10/12,096,469.65 = 7,420,460.30/x
  3. Step 3: Cross multiply
    8,064,313.10x = 12,096,469.65 × 7,420,460.30
  4. Step 4: Simplify right side
    8,064,313.10x = 89,761,372,807,979.89
  5. Step 5: Solve for x
    x = 89,761,372,807,979.89/8,064,313.10
  6. Step 6: Final answer
    x = 11,130,690.45

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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.