Home / 20,100,516.76-30,146,929.26-7,804,480.36

Finding the Fourth Proportional to 20,100,516.76, 30,146,929.26 and 7,804,480.36

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Solution

The fourth proportional to 20,100,516.76, 30,146,929.26 and 7,804,480.36 is: 11,705,227.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,100,516.76 : 30,146,929.26 = 7,804,480.36 : x
  2. Step 2: Convert to fraction form
    20,100,516.76/30,146,929.26 = 7,804,480.36/x
  3. Step 3: Cross multiply
    20,100,516.76x = 30,146,929.26 × 7,804,480.36
  4. Step 4: Simplify right side
    20,100,516.76x = 235,281,117,323,979.34
  5. Step 5: Solve for x
    x = 235,281,117,323,979.34/20,100,516.76
  6. Step 6: Final answer
    x = 11,705,227.29

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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.