Home / 12,917,259.36-19,378,622.70-3,818,639.52

Finding the Fourth Proportional to 12,917,259.36, 19,378,622.70 and 3,818,639.52

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Solution

The fourth proportional to 12,917,259.36, 19,378,622.70 and 3,818,639.52 is: 5,728,767.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,917,259.36 : 19,378,622.70 = 3,818,639.52 : x
  2. Step 2: Convert to fraction form
    12,917,259.36/19,378,622.70 = 3,818,639.52/x
  3. Step 3: Cross multiply
    12,917,259.36x = 19,378,622.70 × 3,818,639.52
  4. Step 4: Simplify right side
    12,917,259.36x = 73,999,974,485,389.09
  5. Step 5: Solve for x
    x = 73,999,974,485,389.09/12,917,259.36
  6. Step 6: Final answer
    x = 5,728,767.41

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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.