Home / 12,436,021.28-17,161,744.90-7,210,045.04

Finding the Fourth Proportional to 12,436,021.28, 17,161,744.90 and 7,210,045.04

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Solution

The fourth proportional to 12,436,021.28, 17,161,744.90 and 7,210,045.04 is: 9,949,882.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,021.28 : 17,161,744.90 = 7,210,045.04 : x
  2. Step 2: Convert to fraction form
    12,436,021.28/17,161,744.90 = 7,210,045.04/x
  3. Step 3: Cross multiply
    12,436,021.28x = 17,161,744.90 × 7,210,045.04
  4. Step 4: Simplify right side
    12,436,021.28x = 123,736,953,693,990.28
  5. Step 5: Solve for x
    x = 123,736,953,693,990.28/12,436,021.28
  6. Step 6: Final answer
    x = 9,949,882.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.