Home / 30,829,701.36-42,544,986.72-16,891,585.34

Finding the Fourth Proportional to 30,829,701.36, 42,544,986.72 and 16,891,585.34

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Solution

The fourth proportional to 30,829,701.36, 42,544,986.72 and 16,891,585.34 is: 23,310,387.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,829,701.36 : 42,544,986.72 = 16,891,585.34 : x
  2. Step 2: Convert to fraction form
    30,829,701.36/42,544,986.72 = 16,891,585.34/x
  3. Step 3: Cross multiply
    30,829,701.36x = 42,544,986.72 × 16,891,585.34
  4. Step 4: Simplify right side
    30,829,701.36x = 718,652,273,757,321.75
  5. Step 5: Solve for x
    x = 718,652,273,757,321.75/30,829,701.36
  6. Step 6: Final answer
    x = 23,310,387.13

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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.