Home / 8,628,155.36-12,932,399.43-5,391,187.60

Finding the Fourth Proportional to 8,628,155.36, 12,932,399.43 and 5,391,187.60

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Solution

The fourth proportional to 8,628,155.36, 12,932,399.43 and 5,391,187.60 is: 8,080,637.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,628,155.36 : 12,932,399.43 = 5,391,187.60 : x
  2. Step 2: Convert to fraction form
    8,628,155.36/12,932,399.43 = 5,391,187.60/x
  3. Step 3: Cross multiply
    8,628,155.36x = 12,932,399.43 × 5,391,187.60
  4. Step 4: Simplify right side
    8,628,155.36x = 69,720,991,445,263.06
  5. Step 5: Solve for x
    x = 69,720,991,445,263.06/8,628,155.36
  6. Step 6: Final answer
    x = 8,080,637.00

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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.