Home / 17,381,666.40-26,078,720.40-7,287,381.60

Finding the Fourth Proportional to 17,381,666.40, 26,078,720.40 and 7,287,381.60

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Solution

The fourth proportional to 17,381,666.40, 26,078,720.40 and 7,287,381.60 is: 10,933,680.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,381,666.40 : 26,078,720.40 = 7,287,381.60 : x
  2. Step 2: Convert to fraction form
    17,381,666.40/26,078,720.40 = 7,287,381.60/x
  3. Step 3: Cross multiply
    17,381,666.40x = 26,078,720.40 × 7,287,381.60
  4. Step 4: Simplify right side
    17,381,666.40x = 190,045,587,194,504.62
  5. Step 5: Solve for x
    x = 190,045,587,194,504.62/17,381,666.40
  6. Step 6: Final answer
    x = 10,933,680.51

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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.