Home / 9,072,772.40-13,609,158.60-8,512,900.40

Finding the Fourth Proportional to 9,072,772.40, 13,609,158.60 and 8,512,900.40

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Solution

The fourth proportional to 9,072,772.40, 13,609,158.60 and 8,512,900.40 is: 12,769,350.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,772.40 : 13,609,158.60 = 8,512,900.40 : x
  2. Step 2: Convert to fraction form
    9,072,772.40/13,609,158.60 = 8,512,900.40/x
  3. Step 3: Cross multiply
    9,072,772.40x = 13,609,158.60 × 8,512,900.40
  4. Step 4: Simplify right side
    9,072,772.40x = 115,853,411,689,603.44
  5. Step 5: Solve for x
    x = 115,853,411,689,603.44/9,072,772.40
  6. Step 6: Final answer
    x = 12,769,350.60

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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.