Home / 7,236,818.54-9,986,809.62-3,973,633.28

Finding the Fourth Proportional to 7,236,818.54, 9,986,809.62 and 3,973,633.28

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Solution

The fourth proportional to 7,236,818.54, 9,986,809.62 and 3,973,633.28 is: 5,483,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236,818.54 : 9,986,809.62 = 3,973,633.28 : x
  2. Step 2: Convert to fraction form
    7,236,818.54/9,986,809.62 = 3,973,633.28/x
  3. Step 3: Cross multiply
    7,236,818.54x = 9,986,809.62 × 3,973,633.28
  4. Step 4: Simplify right side
    7,236,818.54x = 39,683,919,030,210.02
  5. Step 5: Solve for x
    x = 39,683,919,030,210.02/7,236,818.54
  6. Step 6: Final answer
    x = 5,483,613.94

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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.