Home / 10,785,845.40-16,178,768.10-3,109,475.40

Finding the Fourth Proportional to 10,785,845.40, 16,178,768.10 and 3,109,475.40

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Solution

The fourth proportional to 10,785,845.40, 16,178,768.10 and 3,109,475.40 is: 4,664,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785,845.40 : 16,178,768.10 = 3,109,475.40 : x
  2. Step 2: Convert to fraction form
    10,785,845.40/16,178,768.10 = 3,109,475.40/x
  3. Step 3: Cross multiply
    10,785,845.40x = 16,178,768.10 × 3,109,475.40
  4. Step 4: Simplify right side
    10,785,845.40x = 50,307,481,409,254.73
  5. Step 5: Solve for x
    x = 50,307,481,409,254.73/10,785,845.40
  6. Step 6: Final answer
    x = 4,664,213.10

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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.