Home / 21,632,711.58-29,848,369.19-12,807,781.02

Finding the Fourth Proportional to 21,632,711.58, 29,848,369.19 and 12,807,781.02

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Solution

The fourth proportional to 21,632,711.58, 29,848,369.19 and 12,807,781.02 is: 17,671,912.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,632,711.58 : 29,848,369.19 = 12,807,781.02 : x
  2. Step 2: Convert to fraction form
    21,632,711.58/29,848,369.19 = 12,807,781.02/x
  3. Step 3: Cross multiply
    21,632,711.58x = 29,848,369.19 × 12,807,781.02
  4. Step 4: Simplify right side
    21,632,711.58x = 382,291,376,325,595.81
  5. Step 5: Solve for x
    x = 382,291,376,325,595.81/21,632,711.58
  6. Step 6: Final answer
    x = 17,671,912.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.