Home / 7,658,665.40-11,487,998.10-6,241,489.40

Finding the Fourth Proportional to 7,658,665.40, 11,487,998.10 and 6,241,489.40

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Solution

The fourth proportional to 7,658,665.40, 11,487,998.10 and 6,241,489.40 is: 9,362,234.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,658,665.40 : 11,487,998.10 = 6,241,489.40 : x
  2. Step 2: Convert to fraction form
    7,658,665.40/11,487,998.10 = 6,241,489.40/x
  3. Step 3: Cross multiply
    7,658,665.40x = 11,487,998.10 × 6,241,489.40
  4. Step 4: Simplify right side
    7,658,665.40x = 71,702,218,368,370.14
  5. Step 5: Solve for x
    x = 71,702,218,368,370.14/7,658,665.40
  6. Step 6: Final answer
    x = 9,362,234.10

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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.