Home / 5,175,686.50-7,142,475.69-3,001,518.71

Finding the Fourth Proportional to 5,175,686.50, 7,142,475.69 and 3,001,518.71

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Solution

The fourth proportional to 5,175,686.50, 7,142,475.69 and 3,001,518.71 is: 4,142,112.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,686.50 : 7,142,475.69 = 3,001,518.71 : x
  2. Step 2: Convert to fraction form
    5,175,686.50/7,142,475.69 = 3,001,518.71/x
  3. Step 3: Cross multiply
    5,175,686.50x = 7,142,475.69 × 3,001,518.71
  4. Step 4: Simplify right side
    5,175,686.50x = 21,438,274,419,255.16
  5. Step 5: Solve for x
    x = 21,438,274,419,255.16/5,175,686.50
  6. Step 6: Final answer
    x = 4,142,112.25

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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.