Home / 21,809,921.10-32,714,881.65-13,306,865.10

Finding the Fourth Proportional to 21,809,921.10, 32,714,881.65 and 13,306,865.10

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Solution

The fourth proportional to 21,809,921.10, 32,714,881.65 and 13,306,865.10 is: 19,960,297.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,809,921.10 : 32,714,881.65 = 13,306,865.10 : x
  2. Step 2: Convert to fraction form
    21,809,921.10/32,714,881.65 = 13,306,865.10/x
  3. Step 3: Cross multiply
    21,809,921.10x = 32,714,881.65 × 13,306,865.10
  4. Step 4: Simplify right side
    21,809,921.10x = 435,332,516,879,015.38
  5. Step 5: Solve for x
    x = 435,332,516,879,015.38/21,809,921.10
  6. Step 6: Final answer
    x = 19,960,297.65

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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.