Home / 28,716,057.72-39,642,784.56-22,175,003.16

Finding the Fourth Proportional to 28,716,057.72, 39,642,784.56 and 22,175,003.16

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Solution

The fourth proportional to 28,716,057.72, 39,642,784.56 and 22,175,003.16 is: 30,612,797.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,716,057.72 : 39,642,784.56 = 22,175,003.16 : x
  2. Step 2: Convert to fraction form
    28,716,057.72/39,642,784.56 = 22,175,003.16/x
  3. Step 3: Cross multiply
    28,716,057.72x = 39,642,784.56 × 22,175,003.16
  4. Step 4: Simplify right side
    28,716,057.72x = 879,078,872,889,199.25
  5. Step 5: Solve for x
    x = 879,078,872,889,199.25/28,716,057.72
  6. Step 6: Final answer
    x = 30,612,797.95

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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.