Home / 7,056,345.12-9,743,241.30-5,422,176.60

Finding the Fourth Proportional to 7,056,345.12, 9,743,241.30 and 5,422,176.60

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Solution

The fourth proportional to 7,056,345.12, 9,743,241.30 and 5,422,176.60 is: 7,486,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,056,345.12 : 9,743,241.30 = 5,422,176.60 : x
  2. Step 2: Convert to fraction form
    7,056,345.12/9,743,241.30 = 5,422,176.60/x
  3. Step 3: Cross multiply
    7,056,345.12x = 9,743,241.30 × 5,422,176.60
  4. Step 4: Simplify right side
    7,056,345.12x = 52,829,574,985,013.58
  5. Step 5: Solve for x
    x = 52,829,574,985,013.58/7,056,345.12
  6. Step 6: Final answer
    x = 7,486,818.47

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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.