Home / 8,749,196.52-12,073,997.72-5,078,963.40

Finding the Fourth Proportional to 8,749,196.52, 12,073,997.72 and 5,078,963.40

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Solution

The fourth proportional to 8,749,196.52, 12,073,997.72 and 5,078,963.40 is: 7,009,031.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749,196.52 : 12,073,997.72 = 5,078,963.40 : x
  2. Step 2: Convert to fraction form
    8,749,196.52/12,073,997.72 = 5,078,963.40/x
  3. Step 3: Cross multiply
    8,749,196.52x = 12,073,997.72 × 5,078,963.40
  4. Step 4: Simplify right side
    8,749,196.52x = 61,323,392,511,563.45
  5. Step 5: Solve for x
    x = 61,323,392,511,563.45/8,749,196.52
  6. Step 6: Final answer
    x = 7,009,031.33

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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.