Home / 30,485,523.47-45,720,963.34-14,075,040.68

Finding the Fourth Proportional to 30,485,523.47, 45,720,963.34 and 14,075,040.68

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Solution

The fourth proportional to 30,485,523.47, 45,720,963.34 and 14,075,040.68 is: 21,109,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485,523.47 : 45,720,963.34 = 14,075,040.68 : x
  2. Step 2: Convert to fraction form
    30,485,523.47/45,720,963.34 = 14,075,040.68/x
  3. Step 3: Cross multiply
    30,485,523.47x = 45,720,963.34 × 14,075,040.68
  4. Step 4: Simplify right side
    30,485,523.47x = 643,524,419,028,344.38
  5. Step 5: Solve for x
    x = 643,524,419,028,344.38/30,485,523.47
  6. Step 6: Final answer
    x = 21,109,180.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.