Home / 9,181,849.80-13,772,337.30-3,115,986.60

Finding the Fourth Proportional to 9,181,849.80, 13,772,337.30 and 3,115,986.60

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Solution

The fourth proportional to 9,181,849.80, 13,772,337.30 and 3,115,986.60 is: 4,673,831.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,181,849.80 : 13,772,337.30 = 3,115,986.60 : x
  2. Step 2: Convert to fraction form
    9,181,849.80/13,772,337.30 = 3,115,986.60/x
  3. Step 3: Cross multiply
    9,181,849.80x = 13,772,337.30 × 3,115,986.60
  4. Step 4: Simplify right side
    9,181,849.80x = 42,914,418,477,480.19
  5. Step 5: Solve for x
    x = 42,914,418,477,480.19/9,181,849.80
  6. Step 6: Final answer
    x = 4,673,831.46

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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.