Home / 12,969,886-19,454,127.54-6,579,972.58

Finding the Fourth Proportional to 12,969,886, 19,454,127.54 and 6,579,972.58

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Solution

The fourth proportional to 12,969,886, 19,454,127.54 and 6,579,972.58 is: 9,869,603.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,969,886 : 19,454,127.54 = 6,579,972.58 : x
  2. Step 2: Convert to fraction form
    12,969,886/19,454,127.54 = 6,579,972.58/x
  3. Step 3: Cross multiply
    12,969,886x = 19,454,127.54 × 6,579,972.58
  4. Step 4: Simplify right side
    12,969,886x = 128,007,625,781,022.84
  5. Step 5: Solve for x
    x = 128,007,625,781,022.84/12,969,886
  6. Step 6: Final answer
    x = 9,869,603.00

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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.