Home / 12,436,082.40-17,161,828.56-7,210,106.22

Finding the Fourth Proportional to 12,436,082.40, 17,161,828.56 and 7,210,106.22

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Solution

The fourth proportional to 12,436,082.40, 17,161,828.56 and 7,210,106.22 is: 9,949,966.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,436,082.40 : 17,161,828.56 = 7,210,106.22 : x
  2. Step 2: Convert to fraction form
    12,436,082.40/17,161,828.56 = 7,210,106.22/x
  3. Step 3: Cross multiply
    12,436,082.40x = 17,161,828.56 × 7,210,106.22
  4. Step 4: Simplify right side
    12,436,082.40x = 123,738,606,847,029.62
  5. Step 5: Solve for x
    x = 123,738,606,847,029.62/12,436,082.40
  6. Step 6: Final answer
    x = 9,949,966.79

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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.