Home / 47,349,136.80-71,023,705.20-21,839,968.80

Finding the Fourth Proportional to 47,349,136.80, 71,023,705.20 and 21,839,968.80

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Solution

The fourth proportional to 47,349,136.80, 71,023,705.20 and 21,839,968.80 is: 32,759,953.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,349,136.80 : 71,023,705.20 = 21,839,968.80 : x
  2. Step 2: Convert to fraction form
    47,349,136.80/71,023,705.20 = 21,839,968.80/x
  3. Step 3: Cross multiply
    47,349,136.80x = 71,023,705.20 × 21,839,968.80
  4. Step 4: Simplify right side
    47,349,136.80x = 1,551,155,505,628,398
  5. Step 5: Solve for x
    x = 1,551,155,505,628,398/47,349,136.80
  6. Step 6: Final answer
    x = 32,759,953.20

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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.