Home / 21,883,821.98-32,798,828.54-12,279,022.35

Finding the Fourth Proportional to 21,883,821.98, 32,798,828.54 and 12,279,022.35

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Solution

The fourth proportional to 21,883,821.98, 32,798,828.54 and 12,279,022.35 is: 18,403,437.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,883,821.98 : 32,798,828.54 = 12,279,022.35 : x
  2. Step 2: Convert to fraction form
    21,883,821.98/32,798,828.54 = 12,279,022.35/x
  3. Step 3: Cross multiply
    21,883,821.98x = 32,798,828.54 × 12,279,022.35
  4. Step 4: Simplify right side
    21,883,821.98x = 402,737,548,635,082.75
  5. Step 5: Solve for x
    x = 402,737,548,635,082.75/21,883,821.98
  6. Step 6: Final answer
    x = 18,403,437.44

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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.