Home / 21,712,874.40-32,557,501.80-8,934,670.80

Finding the Fourth Proportional to 21,712,874.40, 32,557,501.80 and 8,934,670.80

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Solution

The fourth proportional to 21,712,874.40, 32,557,501.80 and 8,934,670.80 is: 13,397,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,874.40 : 32,557,501.80 = 8,934,670.80 : x
  2. Step 2: Convert to fraction form
    21,712,874.40/32,557,501.80 = 8,934,670.80/x
  3. Step 3: Cross multiply
    21,712,874.40x = 32,557,501.80 × 8,934,670.80
  4. Step 4: Simplify right side
    21,712,874.40x = 290,890,560,653,407.50
  5. Step 5: Solve for x
    x = 290,890,560,653,407.50/21,712,874.40
  6. Step 6: Final answer
    x = 13,397,146.56

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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.