Home / 10,690,492.92-16,028,123.76-5,007,617.16

Finding the Fourth Proportional to 10,690,492.92, 16,028,123.76 and 5,007,617.16

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Solution

The fourth proportional to 10,690,492.92, 16,028,123.76 and 5,007,617.16 is: 7,507,858.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,690,492.92 : 16,028,123.76 = 5,007,617.16 : x
  2. Step 2: Convert to fraction form
    10,690,492.92/16,028,123.76 = 5,007,617.16/x
  3. Step 3: Cross multiply
    10,690,492.92x = 16,028,123.76 × 5,007,617.16
  4. Step 4: Simplify right side
    10,690,492.92x = 80,262,707,583,179.72
  5. Step 5: Solve for x
    x = 80,262,707,583,179.72/10,690,492.92
  6. Step 6: Final answer
    x = 7,507,858.45

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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.