Home / 13,870,775.19-19,141,701.27-7,676,272.65

Finding the Fourth Proportional to 13,870,775.19, 19,141,701.27 and 7,676,272.65

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Solution

The fourth proportional to 13,870,775.19, 19,141,701.27 and 7,676,272.65 is: 10,593,273.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,870,775.19 : 19,141,701.27 = 7,676,272.65 : x
  2. Step 2: Convert to fraction form
    13,870,775.19/19,141,701.27 = 7,676,272.65/x
  3. Step 3: Cross multiply
    13,870,775.19x = 19,141,701.27 × 7,676,272.65
  4. Step 4: Simplify right side
    13,870,775.19x = 146,936,917,933,371.28
  5. Step 5: Solve for x
    x = 146,936,917,933,371.28/13,870,775.19
  6. Step 6: Final answer
    x = 10,593,273.69

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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.