Home / 27,105,847.72-40,650,149.52-8,905,847.98

Finding the Fourth Proportional to 27,105,847.72, 40,650,149.52 and 8,905,847.98

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Solution

The fourth proportional to 27,105,847.72, 40,650,149.52 and 8,905,847.98 is: 13,355,939.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,105,847.72 : 40,650,149.52 = 8,905,847.98 : x
  2. Step 2: Convert to fraction form
    27,105,847.72/40,650,149.52 = 8,905,847.98/x
  3. Step 3: Cross multiply
    27,105,847.72x = 40,650,149.52 × 8,905,847.98
  4. Step 4: Simplify right side
    27,105,847.72x = 362,024,051,989,390
  5. Step 5: Solve for x
    x = 362,024,051,989,390/27,105,847.72
  6. Step 6: Final answer
    x = 13,355,939.12

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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.