Home / 6,442,378.43-8,890,540.02-3,502,201.10

Finding the Fourth Proportional to 6,442,378.43, 8,890,540.02 and 3,502,201.10

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Solution

The fourth proportional to 6,442,378.43, 8,890,540.02 and 3,502,201.10 is: 4,833,068.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,442,378.43 : 8,890,540.02 = 3,502,201.10 : x
  2. Step 2: Convert to fraction form
    6,442,378.43/8,890,540.02 = 3,502,201.10/x
  3. Step 3: Cross multiply
    6,442,378.43x = 8,890,540.02 × 3,502,201.10
  4. Step 4: Simplify right side
    6,442,378.43x = 31,136,458,993,185.32
  5. Step 5: Solve for x
    x = 31,136,458,993,185.32/6,442,378.43
  6. Step 6: Final answer
    x = 4,833,068.93

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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.