Home / 40,447,926.95-55,818,392.22-21,863,028.76

Finding the Fourth Proportional to 40,447,926.95, 55,818,392.22 and 21,863,028.76

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Solution

The fourth proportional to 40,447,926.95, 55,818,392.22 and 21,863,028.76 is: 30,171,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447,926.95 : 55,818,392.22 = 21,863,028.76 : x
  2. Step 2: Convert to fraction form
    40,447,926.95/55,818,392.22 = 21,863,028.76/x
  3. Step 3: Cross multiply
    40,447,926.95x = 55,818,392.22 × 21,863,028.76
  4. Step 4: Simplify right side
    40,447,926.95x = 1,220,359,114,303,274.25
  5. Step 5: Solve for x
    x = 1,220,359,114,303,274.25/40,447,926.95
  6. Step 6: Final answer
    x = 30,171,116.46

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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.