Home / 8,385,315.12-11,570,568.12-4,713,712.56

Finding the Fourth Proportional to 8,385,315.12, 11,570,568.12 and 4,713,712.56

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Solution

The fourth proportional to 8,385,315.12, 11,570,568.12 and 4,713,712.56 is: 6,504,267.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,385,315.12 : 11,570,568.12 = 4,713,712.56 : x
  2. Step 2: Convert to fraction form
    8,385,315.12/11,570,568.12 = 4,713,712.56/x
  3. Step 3: Cross multiply
    8,385,315.12x = 11,570,568.12 × 4,713,712.56
  4. Step 4: Simplify right side
    8,385,315.12x = 54,540,332,273,579.58
  5. Step 5: Solve for x
    x = 54,540,332,273,579.58/8,385,315.12
  6. Step 6: Final answer
    x = 6,504,267.46

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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.