Home / 47,349,137.80-71,023,706.70-21,839,969.80

Finding the Fourth Proportional to 47,349,137.80, 71,023,706.70 and 21,839,969.80

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Solution

The fourth proportional to 47,349,137.80, 71,023,706.70 and 21,839,969.80 is: 32,759,954.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,349,137.80 : 71,023,706.70 = 21,839,969.80 : x
  2. Step 2: Convert to fraction form
    47,349,137.80/71,023,706.70 = 21,839,969.80/x
  3. Step 3: Cross multiply
    47,349,137.80x = 71,023,706.70 × 21,839,969.80
  4. Step 4: Simplify right side
    47,349,137.80x = 1,551,155,609,412,057.75
  5. Step 5: Solve for x
    x = 1,551,155,609,412,057.75/47,349,137.80
  6. Step 6: Final answer
    x = 32,759,954.70

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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.