Home / 9,091,949.59-12,547,183.20-5,171,605.23

Finding the Fourth Proportional to 9,091,949.59, 12,547,183.20 and 5,171,605.23

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Solution

The fourth proportional to 9,091,949.59, 12,547,183.20 and 5,171,605.23 is: 7,136,981.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091,949.59 : 12,547,183.20 = 5,171,605.23 : x
  2. Step 2: Convert to fraction form
    9,091,949.59/12,547,183.20 = 5,171,605.23/x
  3. Step 3: Cross multiply
    9,091,949.59x = 12,547,183.20 × 5,171,605.23
  4. Step 4: Simplify right side
    9,091,949.59x = 64,889,078,215,968.65
  5. Step 5: Solve for x
    x = 64,889,078,215,968.65/9,091,949.59
  6. Step 6: Final answer
    x = 7,136,981.74

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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.