Home / 20,174,044.41-30,258,823.73-7,219,672.29

Finding the Fourth Proportional to 20,174,044.41, 30,258,823.73 and 7,219,672.29

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Solution

The fourth proportional to 20,174,044.41, 30,258,823.73 and 7,219,672.29 is: 10,828,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,174,044.41 : 30,258,823.73 = 7,219,672.29 : x
  2. Step 2: Convert to fraction form
    20,174,044.41/30,258,823.73 = 7,219,672.29/x
  3. Step 3: Cross multiply
    20,174,044.41x = 30,258,823.73 × 7,219,672.29
  4. Step 4: Simplify right side
    20,174,044.41x = 218,458,791,175,377.09
  5. Step 5: Solve for x
    x = 218,458,791,175,377.09/20,174,044.41
  6. Step 6: Final answer
    x = 10,828,705.77

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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.