Home / 8,303,615.40-12,455,423.10-6,623,999.40

Finding the Fourth Proportional to 8,303,615.40, 12,455,423.10 and 6,623,999.40

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Solution

The fourth proportional to 8,303,615.40, 12,455,423.10 and 6,623,999.40 is: 9,935,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303,615.40 : 12,455,423.10 = 6,623,999.40 : x
  2. Step 2: Convert to fraction form
    8,303,615.40/12,455,423.10 = 6,623,999.40/x
  3. Step 3: Cross multiply
    8,303,615.40x = 12,455,423.10 × 6,623,999.40
  4. Step 4: Simplify right side
    8,303,615.40x = 82,504,715,141,146.14
  5. Step 5: Solve for x
    x = 82,504,715,141,146.14/8,303,615.40
  6. Step 6: Final answer
    x = 9,935,999.10

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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.