Home / 12,110,431.16-16,712,037.42-6,677,921.72

Finding the Fourth Proportional to 12,110,431.16, 16,712,037.42 and 6,677,921.72

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Solution

The fourth proportional to 12,110,431.16, 16,712,037.42 and 6,677,921.72 is: 9,215,334.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,431.16 : 16,712,037.42 = 6,677,921.72 : x
  2. Step 2: Convert to fraction form
    12,110,431.16/16,712,037.42 = 6,677,921.72/x
  3. Step 3: Cross multiply
    12,110,431.16x = 16,712,037.42 × 6,677,921.72
  4. Step 4: Simplify right side
    12,110,431.16x = 111,601,677,672,470.75
  5. Step 5: Solve for x
    x = 111,601,677,672,470.75/12,110,431.16
  6. Step 6: Final answer
    x = 9,215,334.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.