Home / 5,100,040.83-7,038,211.20-2,808,283.53

Finding the Fourth Proportional to 5,100,040.83, 7,038,211.20 and 2,808,283.53

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Solution

The fourth proportional to 5,100,040.83, 7,038,211.20 and 2,808,283.53 is: 3,875,516.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,100,040.83 : 7,038,211.20 = 2,808,283.53 : x
  2. Step 2: Convert to fraction form
    5,100,040.83/7,038,211.20 = 2,808,283.53/x
  3. Step 3: Cross multiply
    5,100,040.83x = 7,038,211.20 × 2,808,283.53
  4. Step 4: Simplify right side
    5,100,040.83x = 19,765,292,593,621.54
  5. Step 5: Solve for x
    x = 19,765,292,593,621.54/5,100,040.83
  6. Step 6: Final answer
    x = 3,875,516.54

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1.5x scale

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.