Home / 8,954,038.80-13,431,058.20-5,165,571.60

Finding the Fourth Proportional to 8,954,038.80, 13,431,058.20 and 5,165,571.60

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Solution

The fourth proportional to 8,954,038.80, 13,431,058.20 and 5,165,571.60 is: 7,748,357.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954,038.80 : 13,431,058.20 = 5,165,571.60 : x
  2. Step 2: Convert to fraction form
    8,954,038.80/13,431,058.20 = 5,165,571.60/x
  3. Step 3: Cross multiply
    8,954,038.80x = 13,431,058.20 × 5,165,571.60
  4. Step 4: Simplify right side
    8,954,038.80x = 69,379,092,795,867.11
  5. Step 5: Solve for x
    x = 69,379,092,795,867.11/8,954,038.80
  6. Step 6: Final answer
    x = 7,748,357.40

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1.5x scale

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.