Home / 7,161,278.32-10,741,812.16-1,769,929.28

Finding the Fourth Proportional to 7,161,278.32, 10,741,812.16 and 1,769,929.28

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Solution

The fourth proportional to 7,161,278.32, 10,741,812.16 and 1,769,929.28 is: 2,654,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161,278.32 : 10,741,812.16 = 1,769,929.28 : x
  2. Step 2: Convert to fraction form
    7,161,278.32/10,741,812.16 = 1,769,929.28/x
  3. Step 3: Cross multiply
    7,161,278.32x = 10,741,812.16 × 1,769,929.28
  4. Step 4: Simplify right side
    7,161,278.32x = 19,012,247,862,244.05
  5. Step 5: Solve for x
    x = 19,012,247,862,244.05/7,161,278.32
  6. Step 6: Final answer
    x = 2,654,867.89

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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.