Home / 9,146,987.68-12,622,653.36-5,661,401.44

Finding the Fourth Proportional to 9,146,987.68, 12,622,653.36 and 5,661,401.44

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Solution

The fourth proportional to 9,146,987.68, 12,622,653.36 and 5,661,401.44 is: 7,812,616.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146,987.68 : 12,622,653.36 = 5,661,401.44 : x
  2. Step 2: Convert to fraction form
    9,146,987.68/12,622,653.36 = 5,661,401.44/x
  3. Step 3: Cross multiply
    9,146,987.68x = 12,622,653.36 × 5,661,401.44
  4. Step 4: Simplify right side
    9,146,987.68x = 71,461,907,908,924.84
  5. Step 5: Solve for x
    x = 71,461,907,908,924.84/9,146,987.68
  6. Step 6: Final answer
    x = 7,812,616.61

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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.