Home / 7,432,998.30-11,149,497.45-5,543,430.30

Finding the Fourth Proportional to 7,432,998.30, 11,149,497.45 and 5,543,430.30

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Solution

The fourth proportional to 7,432,998.30, 11,149,497.45 and 5,543,430.30 is: 8,315,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,432,998.30 : 11,149,497.45 = 5,543,430.30 : x
  2. Step 2: Convert to fraction form
    7,432,998.30/11,149,497.45 = 5,543,430.30/x
  3. Step 3: Cross multiply
    7,432,998.30x = 11,149,497.45 × 5,543,430.30
  4. Step 4: Simplify right side
    7,432,998.30x = 61,806,461,994,102.73
  5. Step 5: Solve for x
    x = 61,806,461,994,102.73/7,432,998.30
  6. Step 6: Final answer
    x = 8,315,145.45

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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.