Home / 7,145,111.39-10,717,675.65-1,957,765.23

Finding the Fourth Proportional to 7,145,111.39, 10,717,675.65 and 1,957,765.23

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Solution

The fourth proportional to 7,145,111.39, 10,717,675.65 and 1,957,765.23 is: 2,936,650.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,111.39 : 10,717,675.65 = 1,957,765.23 : x
  2. Step 2: Convert to fraction form
    7,145,111.39/10,717,675.65 = 1,957,765.23/x
  3. Step 3: Cross multiply
    7,145,111.39x = 10,717,675.65 × 1,957,765.23
  4. Step 4: Simplify right side
    7,145,111.39x = 20,982,692,710,655.57
  5. Step 5: Solve for x
    x = 20,982,692,710,655.57/7,145,111.39
  6. Step 6: Final answer
    x = 2,936,650.19

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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.