Home / 15,054,577.56-20,776,344.12-8,528,260.68

Finding the Fourth Proportional to 15,054,577.56, 20,776,344.12 and 8,528,260.68

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Solution

The fourth proportional to 15,054,577.56, 20,776,344.12 and 8,528,260.68 is: 11,769,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,054,577.56 : 20,776,344.12 = 8,528,260.68 : x
  2. Step 2: Convert to fraction form
    15,054,577.56/20,776,344.12 = 8,528,260.68/x
  3. Step 3: Cross multiply
    15,054,577.56x = 20,776,344.12 × 8,528,260.68
  4. Step 4: Simplify right side
    15,054,577.56x = 177,186,078,632,745.22
  5. Step 5: Solve for x
    x = 177,186,078,632,745.22/15,054,577.56
  6. Step 6: Final answer
    x = 11,769,581.57

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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.