Home / 8,505,300.60-12,757,950.90-3,114,126.90

Finding the Fourth Proportional to 8,505,300.60, 12,757,950.90 and 3,114,126.90

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Solution

The fourth proportional to 8,505,300.60, 12,757,950.90 and 3,114,126.90 is: 4,671,190.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,505,300.60 : 12,757,950.90 = 3,114,126.90 : x
  2. Step 2: Convert to fraction form
    8,505,300.60/12,757,950.90 = 3,114,126.90/x
  3. Step 3: Cross multiply
    8,505,300.60x = 12,757,950.90 × 3,114,126.90
  4. Step 4: Simplify right side
    8,505,300.60x = 39,729,878,086,569.21
  5. Step 5: Solve for x
    x = 39,729,878,086,569.21/8,505,300.60
  6. Step 6: Final answer
    x = 4,671,190.35

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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.