Home / 10,631,123.87-15,946,685.87-6,078,979.53

Finding the Fourth Proportional to 10,631,123.87, 15,946,685.87 and 6,078,979.53

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Solution

The fourth proportional to 10,631,123.87, 15,946,685.87 and 6,078,979.53 is: 9,118,469.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631,123.87 : 15,946,685.87 = 6,078,979.53 : x
  2. Step 2: Convert to fraction form
    10,631,123.87/15,946,685.87 = 6,078,979.53/x
  3. Step 3: Cross multiply
    10,631,123.87x = 15,946,685.87 × 6,078,979.53
  4. Step 4: Simplify right side
    10,631,123.87x = 96,939,576,944,675.34
  5. Step 5: Solve for x
    x = 96,939,576,944,675.34/10,631,123.87
  6. Step 6: Final answer
    x = 9,118,469.33

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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.