Home / 14,389,343.92-19,857,347.49-7,862,974.36

Finding the Fourth Proportional to 14,389,343.92, 19,857,347.49 and 7,862,974.36

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Solution

The fourth proportional to 14,389,343.92, 19,857,347.49 and 7,862,974.36 is: 10,850,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389,343.92 : 19,857,347.49 = 7,862,974.36 : x
  2. Step 2: Convert to fraction form
    14,389,343.92/19,857,347.49 = 7,862,974.36/x
  3. Step 3: Cross multiply
    14,389,343.92x = 19,857,347.49 × 7,862,974.36
  4. Step 4: Simplify right side
    14,389,343.92x = 156,137,814,171,480.34
  5. Step 5: Solve for x
    x = 156,137,814,171,480.34/14,389,343.92
  6. Step 6: Final answer
    x = 10,850,933.51

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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.