Home / 5,539,612.78-7,627,742.78-5,019,986.00

Finding the Fourth Proportional to 5,539,612.78, 7,627,742.78 and 5,019,986.00

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Solution

The fourth proportional to 5,539,612.78, 7,627,742.78 and 5,019,986.00 is: 6,912,245.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,539,612.78 : 7,627,742.78 = 5,019,986.00 : x
  2. Step 2: Convert to fraction form
    5,539,612.78/7,627,742.78 = 5,019,986.00/x
  3. Step 3: Cross multiply
    5,539,612.78x = 7,627,742.78 × 5,019,986.00
  4. Step 4: Simplify right side
    5,539,612.78x = 38,291,161,941,612.33
  5. Step 5: Solve for x
    x = 38,291,161,941,612.33/5,539,612.78
  6. Step 6: Final answer
    x = 6,912,245.22

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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.