Home / 14,969,307.20-20,652,927.84-9,162,034.88

Finding the Fourth Proportional to 14,969,307.20, 20,652,927.84 and 9,162,034.88

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Solution

The fourth proportional to 14,969,307.20, 20,652,927.84 and 9,162,034.88 is: 12,640,721.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,969,307.20 : 20,652,927.84 = 9,162,034.88 : x
  2. Step 2: Convert to fraction form
    14,969,307.20/20,652,927.84 = 9,162,034.88/x
  3. Step 3: Cross multiply
    14,969,307.20x = 20,652,927.84 × 9,162,034.88
  4. Step 4: Simplify right side
    14,969,307.20x = 189,222,845,244,203.06
  5. Step 5: Solve for x
    x = 189,222,845,244,203.06/14,969,307.20
  6. Step 6: Final answer
    x = 12,640,721.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.