Home / 7,431,061.40-11,146,592.10-3,179,533.40

Finding the Fourth Proportional to 7,431,061.40, 11,146,592.10 and 3,179,533.40

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Solution

The fourth proportional to 7,431,061.40, 11,146,592.10 and 3,179,533.40 is: 4,769,300.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431,061.40 : 11,146,592.10 = 3,179,533.40 : x
  2. Step 2: Convert to fraction form
    7,431,061.40/11,146,592.10 = 3,179,533.40/x
  3. Step 3: Cross multiply
    7,431,061.40x = 11,146,592.10 × 3,179,533.40
  4. Step 4: Simplify right side
    7,431,061.40x = 35,440,961,878,126.14
  5. Step 5: Solve for x
    x = 35,440,961,878,126.14/7,431,061.40
  6. Step 6: Final answer
    x = 4,769,300.10

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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.