Home / 8,500,014.90-12,748,776.68-4,180,905.78

Finding the Fourth Proportional to 8,500,014.90, 12,748,776.68 and 4,180,905.78

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Solution

The fourth proportional to 8,500,014.90, 12,748,776.68 and 4,180,905.78 is: 6,270,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500,014.90 : 12,748,776.68 = 4,180,905.78 : x
  2. Step 2: Convert to fraction form
    8,500,014.90/12,748,776.68 = 4,180,905.78/x
  3. Step 3: Cross multiply
    8,500,014.90x = 12,748,776.68 × 4,180,905.78
  4. Step 4: Simplify right side
    8,500,014.90x = 53,301,434,088,436.68
  5. Step 5: Solve for x
    x = 53,301,434,088,436.68/8,500,014.90
  6. Step 6: Final answer
    x = 6,270,745.96

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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.