Home / 8,004,381.35-11,064,662.67-7,141,765.67

Finding the Fourth Proportional to 8,004,381.35, 11,064,662.67 and 7,141,765.67

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Solution

The fourth proportional to 8,004,381.35, 11,064,662.67 and 7,141,765.67 is: 9,872,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,004,381.35 : 11,064,662.67 = 7,141,765.67 : x
  2. Step 2: Convert to fraction form
    8,004,381.35/11,064,662.67 = 7,141,765.67/x
  3. Step 3: Cross multiply
    8,004,381.35x = 11,064,662.67 × 7,141,765.67
  4. Step 4: Simplify right side
    8,004,381.35x = 79,021,228,034,398.20
  5. Step 5: Solve for x
    x = 79,021,228,034,398.20/8,004,381.35
  6. Step 6: Final answer
    x = 9,872,246.79

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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.