Home / 7,045,548.64-9,722,856.72-3,990,353.44

Finding the Fourth Proportional to 7,045,548.64, 9,722,856.72 and 3,990,353.44

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Solution

The fourth proportional to 7,045,548.64, 9,722,856.72 and 3,990,353.44 is: 5,506,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,548.64 : 9,722,856.72 = 3,990,353.44 : x
  2. Step 2: Convert to fraction form
    7,045,548.64/9,722,856.72 = 3,990,353.44/x
  3. Step 3: Cross multiply
    7,045,548.64x = 9,722,856.72 × 3,990,353.44
  4. Step 4: Simplify right side
    7,045,548.64x = 38,797,634,759,279.12
  5. Step 5: Solve for x
    x = 38,797,634,759,279.12/7,045,548.64
  6. Step 6: Final answer
    x = 5,506,687.52

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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.