Home / 7,405,790.99-10,215,522.68-4,891,181.10

Finding the Fourth Proportional to 7,405,790.99, 10,215,522.68 and 4,891,181.10

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Solution

The fourth proportional to 7,405,790.99, 10,215,522.68 and 4,891,181.10 is: 6,746,878.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405,790.99 : 10,215,522.68 = 4,891,181.10 : x
  2. Step 2: Convert to fraction form
    7,405,790.99/10,215,522.68 = 4,891,181.10/x
  3. Step 3: Cross multiply
    7,405,790.99x = 10,215,522.68 × 4,891,181.10
  4. Step 4: Simplify right side
    7,405,790.99x = 49,965,971,434,581.45
  5. Step 5: Solve for x
    x = 49,965,971,434,581.45/7,405,790.99
  6. Step 6: Final answer
    x = 6,746,878.43

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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.