Home / 12,775,712.45-17,630,750.01-6,974,738.69

Finding the Fourth Proportional to 12,775,712.45, 17,630,750.01 and 6,974,738.69

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Solution

The fourth proportional to 12,775,712.45, 17,630,750.01 and 6,974,738.69 is: 9,625,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775,712.45 : 17,630,750.01 = 6,974,738.69 : x
  2. Step 2: Convert to fraction form
    12,775,712.45/17,630,750.01 = 6,974,738.69/x
  3. Step 3: Cross multiply
    12,775,712.45x = 17,630,750.01 × 6,974,738.69
  4. Step 4: Simplify right side
    12,775,712.45x = 122,969,874,228,464.91
  5. Step 5: Solve for x
    x = 122,969,874,228,464.91/12,775,712.45
  6. Step 6: Final answer
    x = 9,625,285.06

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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.