Home / 29,353,213.40-43,942,728.90-21,813,603.80

Finding the Fourth Proportional to 29,353,213.40, 43,942,728.90 and 21,813,603.80

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Solution

The fourth proportional to 29,353,213.40, 43,942,728.90 and 21,813,603.80 is: 32,655,684.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,353,213.40 : 43,942,728.90 = 21,813,603.80 : x
  2. Step 2: Convert to fraction form
    29,353,213.40/43,942,728.90 = 21,813,603.80/x
  3. Step 3: Cross multiply
    29,353,213.40x = 43,942,728.90 × 21,813,603.80
  4. Step 4: Simplify right side
    29,353,213.40x = 958,549,278,115,409.88
  5. Step 5: Solve for x
    x = 958,549,278,115,409.88/29,353,213.40
  6. Step 6: Final answer
    x = 32,655,684.58

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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.