Home / 6,418,769.32-8,857,883.38-3,518,151.22

Finding the Fourth Proportional to 6,418,769.32, 8,857,883.38 and 3,518,151.22

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Solution

The fourth proportional to 6,418,769.32, 8,857,883.38 and 3,518,151.22 is: 4,855,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418,769.32 : 8,857,883.38 = 3,518,151.22 : x
  2. Step 2: Convert to fraction form
    6,418,769.32/8,857,883.38 = 3,518,151.22/x
  3. Step 3: Cross multiply
    6,418,769.32x = 8,857,883.38 × 3,518,151.22
  4. Step 4: Simplify right side
    6,418,769.32x = 31,163,373,219,964.73
  5. Step 5: Solve for x
    x = 31,163,373,219,964.73/6,418,769.32
  6. Step 6: Final answer
    x = 4,855,038.66

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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.