Home / 14,915,069.88-20,584,375.74-9,117,245.40

Finding the Fourth Proportional to 14,915,069.88, 20,584,375.74 and 9,117,245.40

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Solution

The fourth proportional to 14,915,069.88, 20,584,375.74 and 9,117,245.40 is: 12,582,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,915,069.88 : 20,584,375.74 = 9,117,245.40 : x
  2. Step 2: Convert to fraction form
    14,915,069.88/20,584,375.74 = 9,117,245.40/x
  3. Step 3: Cross multiply
    14,915,069.88x = 20,584,375.74 × 9,117,245.40
  4. Step 4: Simplify right side
    14,915,069.88x = 187,672,805,027,386.59
  5. Step 5: Solve for x
    x = 187,672,805,027,386.59/14,915,069.88
  6. Step 6: Final answer
    x = 12,582,764.05

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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.