Home / 9,328,519.12-12,873,181.44-5,198,459.28

Finding the Fourth Proportional to 9,328,519.12, 12,873,181.44 and 5,198,459.28

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Solution

The fourth proportional to 9,328,519.12, 12,873,181.44 and 5,198,459.28 is: 7,173,776.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,519.12 : 12,873,181.44 = 5,198,459.28 : x
  2. Step 2: Convert to fraction form
    9,328,519.12/12,873,181.44 = 5,198,459.28/x
  3. Step 3: Cross multiply
    9,328,519.12x = 12,873,181.44 × 5,198,459.28
  4. Step 4: Simplify right side
    9,328,519.12x = 66,920,709,519,891.77
  5. Step 5: Solve for x
    x = 66,920,709,519,891.77/9,328,519.12
  6. Step 6: Final answer
    x = 7,173,776.32

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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.