Home / 52,049,963.36-71,829,136.44-28,845,485.12

Finding the Fourth Proportional to 52,049,963.36, 71,829,136.44 and 28,845,485.12

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Solution

The fourth proportional to 52,049,963.36, 71,829,136.44 and 28,845,485.12 is: 39,806,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,049,963.36 : 71,829,136.44 = 28,845,485.12 : x
  2. Step 2: Convert to fraction form
    52,049,963.36/71,829,136.44 = 28,845,485.12/x
  3. Step 3: Cross multiply
    52,049,963.36x = 71,829,136.44 × 28,845,485.12
  4. Step 4: Simplify right side
    52,049,963.36x = 2,071,946,286,362,469.75
  5. Step 5: Solve for x
    x = 2,071,946,286,362,469.75/52,049,963.36
  6. Step 6: Final answer
    x = 39,806,873.10

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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.