Home / 19,870,993.71-27,417,951.29-11,609,460.42

Finding the Fourth Proportional to 19,870,993.71, 27,417,951.29 and 11,609,460.42

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Solution

The fourth proportional to 19,870,993.71, 27,417,951.29 and 11,609,460.42 is: 16,018,706.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,870,993.71 : 27,417,951.29 = 11,609,460.42 : x
  2. Step 2: Convert to fraction form
    19,870,993.71/27,417,951.29 = 11,609,460.42/x
  3. Step 3: Cross multiply
    19,870,993.71x = 27,417,951.29 × 11,609,460.42
  4. Step 4: Simplify right side
    19,870,993.71x = 318,307,620,456,301.94
  5. Step 5: Solve for x
    x = 318,307,620,456,301.94/19,870,993.71
  6. Step 6: Final answer
    x = 16,018,706.72

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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.