Home / 15,248,429.44-21,042,980.26-8,373,059.12

Finding the Fourth Proportional to 15,248,429.44, 21,042,980.26 and 8,373,059.12

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Solution

The fourth proportional to 15,248,429.44, 21,042,980.26 and 8,373,059.12 is: 11,554,902.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,248,429.44 : 21,042,980.26 = 8,373,059.12 : x
  2. Step 2: Convert to fraction form
    15,248,429.44/21,042,980.26 = 8,373,059.12/x
  3. Step 3: Cross multiply
    15,248,429.44x = 21,042,980.26 × 8,373,059.12
  4. Step 4: Simplify right side
    15,248,429.44x = 176,194,117,809,647.78
  5. Step 5: Solve for x
    x = 176,194,117,809,647.78/15,248,429.44
  6. Step 6: Final answer
    x = 11,554,902.66

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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.