Home / 28,418,290.34-39,208,287.46-17,393,546.80

Finding the Fourth Proportional to 28,418,290.34, 39,208,287.46 and 17,393,546.80

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Solution

The fourth proportional to 28,418,290.34, 39,208,287.46 and 17,393,546.80 is: 23,997,614.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418,290.34 : 39,208,287.46 = 17,393,546.80 : x
  2. Step 2: Convert to fraction form
    28,418,290.34/39,208,287.46 = 17,393,546.80/x
  3. Step 3: Cross multiply
    28,418,290.34x = 39,208,287.46 × 17,393,546.80
  4. Step 4: Simplify right side
    28,418,290.34x = 681,971,182,652,045.38
  5. Step 5: Solve for x
    x = 681,971,182,652,045.38/28,418,290.34
  6. Step 6: Final answer
    x = 23,997,614.72

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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.