Home / 6,979,272.54-9,638,738.88-6,218,473.56

Finding the Fourth Proportional to 6,979,272.54, 9,638,738.88 and 6,218,473.56

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Solution

The fourth proportional to 6,979,272.54, 9,638,738.88 and 6,218,473.56 is: 8,588,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,272.54 : 9,638,738.88 = 6,218,473.56 : x
  2. Step 2: Convert to fraction form
    6,979,272.54/9,638,738.88 = 6,218,473.56/x
  3. Step 3: Cross multiply
    6,979,272.54x = 9,638,738.88 × 6,218,473.56
  4. Step 4: Simplify right side
    6,979,272.54x = 59,938,242,877,024.02
  5. Step 5: Solve for x
    x = 59,938,242,877,024.02/6,979,272.54
  6. Step 6: Final answer
    x = 8,588,035.86

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1.5x scale

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.