Home / 7,045,615.20-9,722,784.47-4,145,193.12

Finding the Fourth Proportional to 7,045,615.20, 9,722,784.47 and 4,145,193.12

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Solution

The fourth proportional to 7,045,615.20, 9,722,784.47 and 4,145,193.12 is: 5,720,269.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,045,615.20 : 9,722,784.47 = 4,145,193.12 : x
  2. Step 2: Convert to fraction form
    7,045,615.20/9,722,784.47 = 4,145,193.12/x
  3. Step 3: Cross multiply
    7,045,615.20x = 9,722,784.47 × 4,145,193.12
  4. Step 4: Simplify right side
    7,045,615.20x = 40,302,819,271,560.88
  5. Step 5: Solve for x
    x = 40,302,819,271,560.88/7,045,615.20
  6. Step 6: Final answer
    x = 5,720,269.72

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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.