Home / 7,020,145.80-10,514,472.30-5,760,433.80

Finding the Fourth Proportional to 7,020,145.80, 10,514,472.30 and 5,760,433.80

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Solution

The fourth proportional to 7,020,145.80, 10,514,472.30 and 5,760,433.80 is: 8,627,729.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020,145.80 : 10,514,472.30 = 5,760,433.80 : x
  2. Step 2: Convert to fraction form
    7,020,145.80/10,514,472.30 = 5,760,433.80/x
  3. Step 3: Cross multiply
    7,020,145.80x = 10,514,472.30 × 5,760,433.80
  4. Step 4: Simplify right side
    7,020,145.80x = 60,567,921,626,083.74
  5. Step 5: Solve for x
    x = 60,567,921,626,083.74/7,020,145.80
  6. Step 6: Final answer
    x = 8,627,729.87

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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.