Home / 9,072,908.70-13,609,363.05-7,841,190.30

Finding the Fourth Proportional to 9,072,908.70, 13,609,363.05 and 7,841,190.30

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Solution

The fourth proportional to 9,072,908.70, 13,609,363.05 and 7,841,190.30 is: 11,761,785.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,072,908.70 : 13,609,363.05 = 7,841,190.30 : x
  2. Step 2: Convert to fraction form
    9,072,908.70/13,609,363.05 = 7,841,190.30/x
  3. Step 3: Cross multiply
    9,072,908.70x = 13,609,363.05 × 7,841,190.30
  4. Step 4: Simplify right side
    9,072,908.70x = 106,713,605,536,838.42
  5. Step 5: Solve for x
    x = 106,713,605,536,838.42/9,072,908.70
  6. Step 6: Final answer
    x = 11,761,785.45

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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.