Home / 21,452,407.20-32,178,610.80-19,100,944.80

Finding the Fourth Proportional to 21,452,407.20, 32,178,610.80 and 19,100,944.80

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Solution

The fourth proportional to 21,452,407.20, 32,178,610.80 and 19,100,944.80 is: 28,651,417.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,452,407.20 : 32,178,610.80 = 19,100,944.80 : x
  2. Step 2: Convert to fraction form
    21,452,407.20/32,178,610.80 = 19,100,944.80/x
  3. Step 3: Cross multiply
    21,452,407.20x = 32,178,610.80 × 19,100,944.80
  4. Step 4: Simplify right side
    21,452,407.20x = 614,641,868,631,483.88
  5. Step 5: Solve for x
    x = 614,641,868,631,483.88/21,452,407.20
  6. Step 6: Final answer
    x = 28,651,417.20

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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.