Home / 52,049,965.36-71,829,139.20-28,845,487.12

Finding the Fourth Proportional to 52,049,965.36, 71,829,139.20 and 28,845,487.12

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Solution

The fourth proportional to 52,049,965.36, 71,829,139.20 and 28,845,487.12 is: 39,806,875.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,049,965.36 : 71,829,139.20 = 28,845,487.12 : x
  2. Step 2: Convert to fraction form
    52,049,965.36/71,829,139.20 = 28,845,487.12/x
  3. Step 3: Cross multiply
    52,049,965.36x = 71,829,139.20 × 28,845,487.12
  4. Step 4: Simplify right side
    52,049,965.36x = 2,071,946,509,634,287.25
  5. Step 5: Solve for x
    x = 2,071,946,509,634,287.25/52,049,965.36
  6. Step 6: Final answer
    x = 39,806,875.86

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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.