Home / 7,121,833.42-10,682,763.48-1,730,488.40

Finding the Fourth Proportional to 7,121,833.42, 10,682,763.48 and 1,730,488.40

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Solution

The fourth proportional to 7,121,833.42, 10,682,763.48 and 1,730,488.40 is: 2,595,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,121,833.42 : 10,682,763.48 = 1,730,488.40 : x
  2. Step 2: Convert to fraction form
    7,121,833.42/10,682,763.48 = 1,730,488.40/x
  3. Step 3: Cross multiply
    7,121,833.42x = 10,682,763.48 × 1,730,488.40
  4. Step 4: Simplify right side
    7,121,833.42x = 18,486,398,282,083.63
  5. Step 5: Solve for x
    x = 18,486,398,282,083.63/7,121,833.42
  6. Step 6: Final answer
    x = 2,595,735.84

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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.