Home / 5,431,360.70-8,147,041.05-4,864,490.30

Finding the Fourth Proportional to 5,431,360.70, 8,147,041.05 and 4,864,490.30

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Solution

The fourth proportional to 5,431,360.70, 8,147,041.05 and 4,864,490.30 is: 7,296,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431,360.70 : 8,147,041.05 = 4,864,490.30 : x
  2. Step 2: Convert to fraction form
    5,431,360.70/8,147,041.05 = 4,864,490.30/x
  3. Step 3: Cross multiply
    5,431,360.70x = 8,147,041.05 × 4,864,490.30
  4. Step 4: Simplify right side
    5,431,360.70x = 39,631,202,161,426.81
  5. Step 5: Solve for x
    x = 39,631,202,161,426.81/5,431,360.70
  6. Step 6: Final answer
    x = 7,296,735.45

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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.