Home / 9,375,130.20-12,939,703.29-5,705,229.19

Finding the Fourth Proportional to 9,375,130.20, 12,939,703.29 and 5,705,229.19

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Solution

The fourth proportional to 9,375,130.20, 12,939,703.29 and 5,705,229.19 is: 7,874,447.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375,130.20 : 12,939,703.29 = 5,705,229.19 : x
  2. Step 2: Convert to fraction form
    9,375,130.20/12,939,703.29 = 5,705,229.19/x
  3. Step 3: Cross multiply
    9,375,130.20x = 12,939,703.29 × 5,705,229.19
  4. Step 4: Simplify right side
    9,375,130.20x = 73,823,972,875,566.80
  5. Step 5: Solve for x
    x = 73,823,972,875,566.80/9,375,130.20
  6. Step 6: Final answer
    x = 7,874,447.75

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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.