Home / 21,830,431.20-32,682,661.20-21,200,575.20

Finding the Fourth Proportional to 21,830,431.20, 32,682,661.20 and 21,200,575.20

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Solution

The fourth proportional to 21,830,431.20, 32,682,661.20 and 21,200,575.20 is: 31,739,694.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,830,431.20 : 32,682,661.20 = 21,200,575.20 : x
  2. Step 2: Convert to fraction form
    21,830,431.20/32,682,661.20 = 21,200,575.20/x
  3. Step 3: Cross multiply
    21,830,431.20x = 32,682,661.20 × 21,200,575.20
  4. Step 4: Simplify right side
    21,830,431.20x = 692,891,216,506,722.25
  5. Step 5: Solve for x
    x = 692,891,216,506,722.25/21,830,431.20
  6. Step 6: Final answer
    x = 31,739,694.47

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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.