Home / 6,418,768.32-8,857,882-3,518,150.22

Finding the Fourth Proportional to 6,418,768.32, 8,857,882 and 3,518,150.22

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Solution

The fourth proportional to 6,418,768.32, 8,857,882 and 3,518,150.22 is: 4,855,037.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,768.32 : 8,857,882 = 3,518,150.22 : x
  2. Step 2: Convert to fraction form
    6,418,768.32/8,857,882 = 3,518,150.22/x
  3. Step 3: Cross multiply
    6,418,768.32x = 8,857,882 × 3,518,150.22
  4. Step 4: Simplify right side
    6,418,768.32x = 31,163,359,507,034.04
  5. Step 5: Solve for x
    x = 31,163,359,507,034.04/6,418,768.32
  6. Step 6: Final answer
    x = 4,855,037.28

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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.