Home / 8,064,459.80-12,096,689.70-7,243,314.20

Finding the Fourth Proportional to 8,064,459.80, 12,096,689.70 and 7,243,314.20

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Solution

The fourth proportional to 8,064,459.80, 12,096,689.70 and 7,243,314.20 is: 10,864,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,459.80 : 12,096,689.70 = 7,243,314.20 : x
  2. Step 2: Convert to fraction form
    8,064,459.80/12,096,689.70 = 7,243,314.20/x
  3. Step 3: Cross multiply
    8,064,459.80x = 12,096,689.70 × 7,243,314.20
  4. Step 4: Simplify right side
    8,064,459.80x = 87,620,124,277,003.73
  5. Step 5: Solve for x
    x = 87,620,124,277,003.73/8,064,459.80
  6. Step 6: Final answer
    x = 10,864,971.30

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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.