Home / 8,765,207.40-13,147,811.10-6,639,443.40

Finding the Fourth Proportional to 8,765,207.40, 13,147,811.10 and 6,639,443.40

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Solution

The fourth proportional to 8,765,207.40, 13,147,811.10 and 6,639,443.40 is: 9,959,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,765,207.40 : 13,147,811.10 = 6,639,443.40 : x
  2. Step 2: Convert to fraction form
    8,765,207.40/13,147,811.10 = 6,639,443.40/x
  3. Step 3: Cross multiply
    8,765,207.40x = 13,147,811.10 × 6,639,443.40
  4. Step 4: Simplify right side
    8,765,207.40x = 87,294,147,632,341.75
  5. Step 5: Solve for x
    x = 87,294,147,632,341.75/8,765,207.40
  6. Step 6: Final answer
    x = 9,959,165.10

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Similar ratio
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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.