Home / 40,447,925.70-55,818,390.50-21,863,027.51

Finding the Fourth Proportional to 40,447,925.70, 55,818,390.50 and 21,863,027.51

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Solution

The fourth proportional to 40,447,925.70, 55,818,390.50 and 21,863,027.51 is: 30,171,114.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447,925.70 : 55,818,390.50 = 21,863,027.51 : x
  2. Step 2: Convert to fraction form
    40,447,925.70/55,818,390.50 = 21,863,027.51/x
  3. Step 3: Cross multiply
    40,447,925.70x = 55,818,390.50 × 21,863,027.51
  4. Step 4: Simplify right side
    40,447,925.70x = 1,220,359,007,065,422.75
  5. Step 5: Solve for x
    x = 1,220,359,007,065,422.75/40,447,925.70
  6. Step 6: Final answer
    x = 30,171,114.73

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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.