Home / 13,336,776.32-18,397,986.72-8,433,736.16

Finding the Fourth Proportional to 13,336,776.32, 18,397,986.72 and 8,433,736.16

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Solution

The fourth proportional to 13,336,776.32, 18,397,986.72 and 8,433,736.16 is: 11,634,278.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336,776.32 : 18,397,986.72 = 8,433,736.16 : x
  2. Step 2: Convert to fraction form
    13,336,776.32/18,397,986.72 = 8,433,736.16/x
  3. Step 3: Cross multiply
    13,336,776.32x = 18,397,986.72 × 8,433,736.16
  4. Step 4: Simplify right side
    13,336,776.32x = 155,163,765,871,663.78
  5. Step 5: Solve for x
    x = 155,163,765,871,663.78/13,336,776.32
  6. Step 6: Final answer
    x = 11,634,278.19

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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.