Home / 21,814,218.90-32,721,328.35-7,432,506.90

Finding the Fourth Proportional to 21,814,218.90, 32,721,328.35 and 7,432,506.90

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Solution

The fourth proportional to 21,814,218.90, 32,721,328.35 and 7,432,506.90 is: 11,148,760.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,814,218.90 : 32,721,328.35 = 7,432,506.90 : x
  2. Step 2: Convert to fraction form
    21,814,218.90/32,721,328.35 = 7,432,506.90/x
  3. Step 3: Cross multiply
    21,814,218.90x = 32,721,328.35 × 7,432,506.90
  4. Step 4: Simplify right side
    21,814,218.90x = 243,201,498,738,540.62
  5. Step 5: Solve for x
    x = 243,201,498,738,540.62/21,814,218.90
  6. Step 6: Final answer
    x = 11,148,760.35

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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.