Home / 13,982,857.28-19,296,708-7,871,508.80

Finding the Fourth Proportional to 13,982,857.28, 19,296,708 and 7,871,508.80

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Solution

The fourth proportional to 13,982,857.28, 19,296,708 and 7,871,508.80 is: 10,862,887.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982,857.28 : 19,296,708 = 7,871,508.80 : x
  2. Step 2: Convert to fraction form
    13,982,857.28/19,296,708 = 7,871,508.80/x
  3. Step 3: Cross multiply
    13,982,857.28x = 19,296,708 × 7,871,508.80
  4. Step 4: Simplify right side
    13,982,857.28x = 151,894,206,833,030.41
  5. Step 5: Solve for x
    x = 151,894,206,833,030.41/13,982,857.28
  6. Step 6: Final answer
    x = 10,862,887.59

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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.