Home / 13,825,822.28-19,079,622.81-7,714,250.78

Finding the Fourth Proportional to 13,825,822.28, 19,079,622.81 and 7,714,250.78

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Solution

The fourth proportional to 13,825,822.28, 19,079,622.81 and 7,714,250.78 is: 10,645,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,825,822.28 : 19,079,622.81 = 7,714,250.78 : x
  2. Step 2: Convert to fraction form
    13,825,822.28/19,079,622.81 = 7,714,250.78/x
  3. Step 3: Cross multiply
    13,825,822.28x = 19,079,622.81 × 7,714,250.78
  4. Step 4: Simplify right side
    13,825,822.28x = 147,184,995,048,750.19
  5. Step 5: Solve for x
    x = 147,184,995,048,750.19/13,825,822.28
  6. Step 6: Final answer
    x = 10,645,659.41

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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.