Home / 40,485,058.55-55,811,272.14-28,862,443.88

Finding the Fourth Proportional to 40,485,058.55, 55,811,272.14 and 28,862,443.88

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Solution

The fourth proportional to 40,485,058.55, 55,811,272.14 and 28,862,443.88 is: 39,788,745.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,485,058.55 : 55,811,272.14 = 28,862,443.88 : x
  2. Step 2: Convert to fraction form
    40,485,058.55/55,811,272.14 = 28,862,443.88/x
  3. Step 3: Cross multiply
    40,485,058.55x = 55,811,272.14 × 28,862,443.88
  4. Step 4: Simplify right side
    40,485,058.55x = 1,610,849,709,733,101.25
  5. Step 5: Solve for x
    x = 1,610,849,709,733,101.25/40,485,058.55
  6. Step 6: Final answer
    x = 39,788,745.96

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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.