Home / 7,175,743.83-10,768,659.35-6,489,686.52

Finding the Fourth Proportional to 7,175,743.83, 10,768,659.35 and 6,489,686.52

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Solution

The fourth proportional to 7,175,743.83, 10,768,659.35 and 6,489,686.52 is: 9,739,091.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,743.83 : 10,768,659.35 = 6,489,686.52 : x
  2. Step 2: Convert to fraction form
    7,175,743.83/10,768,659.35 = 6,489,686.52/x
  3. Step 3: Cross multiply
    7,175,743.83x = 10,768,659.35 × 6,489,686.52
  4. Step 4: Simplify right side
    7,175,743.83x = 69,885,223,389,718.53
  5. Step 5: Solve for x
    x = 69,885,223,389,718.53/7,175,743.83
  6. Step 6: Final answer
    x = 9,739,091.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.