Home / 30,482,704.71-42,101,045.19-20,075,244.75

Finding the Fourth Proportional to 30,482,704.71, 42,101,045.19 and 20,075,244.75

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Solution

The fourth proportional to 30,482,704.71, 42,101,045.19 and 20,075,244.75 is: 27,726,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482,704.71 : 42,101,045.19 = 20,075,244.75 : x
  2. Step 2: Convert to fraction form
    30,482,704.71/42,101,045.19 = 20,075,244.75/x
  3. Step 3: Cross multiply
    30,482,704.71x = 42,101,045.19 × 20,075,244.75
  4. Step 4: Simplify right side
    30,482,704.71x = 845,188,786,420,060.25
  5. Step 5: Solve for x
    x = 845,188,786,420,060.25/30,482,704.71
  6. Step 6: Final answer
    x = 27,726,830.49

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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.