Home / 10,861,607.40-16,302,908.70-5,476,338.60

Finding the Fourth Proportional to 10,861,607.40, 16,302,908.70 and 5,476,338.60

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Solution

The fourth proportional to 10,861,607.40, 16,302,908.70 and 5,476,338.60 is: 8,219,800.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,861,607.40 : 16,302,908.70 = 5,476,338.60 : x
  2. Step 2: Convert to fraction form
    10,861,607.40/16,302,908.70 = 5,476,338.60/x
  3. Step 3: Cross multiply
    10,861,607.40x = 16,302,908.70 × 5,476,338.60
  4. Step 4: Simplify right side
    10,861,607.40x = 89,280,248,206,085.81
  5. Step 5: Solve for x
    x = 89,280,248,206,085.81/10,861,607.40
  6. Step 6: Final answer
    x = 8,219,800.71

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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.