Home / 17,219,872-25,830,988.98-5,705,317

Finding the Fourth Proportional to 17,219,872, 25,830,988.98 and 5,705,317

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Solution

The fourth proportional to 17,219,872, 25,830,988.98 and 5,705,317 is: 8,558,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,219,872 : 25,830,988.98 = 5,705,317 : x
  2. Step 2: Convert to fraction form
    17,219,872/25,830,988.98 = 5,705,317/x
  3. Step 3: Cross multiply
    17,219,872x = 25,830,988.98 × 5,705,317
  4. Step 4: Simplify right side
    17,219,872x = 147,373,980,554,406.66
  5. Step 5: Solve for x
    x = 147,373,980,554,406.66/17,219,872
  6. Step 6: Final answer
    x = 8,558,366.78

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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.