Home / 10,783,245.40-16,174,868.10-9,787,917.40

Finding the Fourth Proportional to 10,783,245.40, 16,174,868.10 and 9,787,917.40

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Solution

The fourth proportional to 10,783,245.40, 16,174,868.10 and 9,787,917.40 is: 14,681,876.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,783,245.40 : 16,174,868.10 = 9,787,917.40 : x
  2. Step 2: Convert to fraction form
    10,783,245.40/16,174,868.10 = 9,787,917.40/x
  3. Step 3: Cross multiply
    10,783,245.40x = 16,174,868.10 × 9,787,917.40
  4. Step 4: Simplify right side
    10,783,245.40x = 158,318,272,918,694.94
  5. Step 5: Solve for x
    x = 158,318,272,918,694.94/10,783,245.40
  6. Step 6: Final answer
    x = 14,681,876.10

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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.