Home / 21,532,583.52-32,285,865.84-8,580,726.72

Finding the Fourth Proportional to 21,532,583.52, 32,285,865.84 and 8,580,726.72

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Solution

The fourth proportional to 21,532,583.52, 32,285,865.84 and 8,580,726.72 is: 12,865,905.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,532,583.52 : 32,285,865.84 = 8,580,726.72 : x
  2. Step 2: Convert to fraction form
    21,532,583.52/32,285,865.84 = 8,580,726.72/x
  3. Step 3: Cross multiply
    21,532,583.52x = 32,285,865.84 × 8,580,726.72
  4. Step 4: Simplify right side
    21,532,583.52x = 277,036,191,691,623.25
  5. Step 5: Solve for x
    x = 277,036,191,691,623.25/21,532,583.52
  6. Step 6: Final answer
    x = 12,865,905.82

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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.