Home / 40,485,104.22-55,811,334.90-28,862,489.58

Finding the Fourth Proportional to 40,485,104.22, 55,811,334.90 and 28,862,489.58

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Solution

The fourth proportional to 40,485,104.22, 55,811,334.90 and 28,862,489.58 is: 39,788,808.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485,104.22 : 55,811,334.90 = 28,862,489.58 : x
  2. Step 2: Convert to fraction form
    40,485,104.22/55,811,334.90 = 28,862,489.58/x
  3. Step 3: Cross multiply
    40,485,104.22x = 55,811,334.90 × 28,862,489.58
  4. Step 4: Simplify right side
    40,485,104.22x = 1,610,854,071,997,140.25
  5. Step 5: Solve for x
    x = 1,610,854,071,997,140.25/40,485,104.22
  6. Step 6: Final answer
    x = 39,788,808.82

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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.