Home / 6,979,274.54-9,638,741.64-6,218,475.56

Finding the Fourth Proportional to 6,979,274.54, 9,638,741.64 and 6,218,475.56

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Solution

The fourth proportional to 6,979,274.54, 9,638,741.64 and 6,218,475.56 is: 8,588,038.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,274.54 : 9,638,741.64 = 6,218,475.56 : x
  2. Step 2: Convert to fraction form
    6,979,274.54/9,638,741.64 = 6,218,475.56/x
  3. Step 3: Cross multiply
    6,979,274.54x = 9,638,741.64 × 6,218,475.56
  4. Step 4: Simplify right side
    6,979,274.54x = 59,938,279,317,494.32
  5. Step 5: Solve for x
    x = 59,938,279,317,494.32/6,979,274.54
  6. Step 6: Final answer
    x = 8,588,038.62

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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.