Home / 9,309,998.32-12,847,642.70-5,179,986.16

Finding the Fourth Proportional to 9,309,998.32, 12,847,642.70 and 5,179,986.16

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Solution

The fourth proportional to 9,309,998.32, 12,847,642.70 and 5,179,986.16 is: 7,148,294.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309,998.32 : 12,847,642.70 = 5,179,986.16 : x
  2. Step 2: Convert to fraction form
    9,309,998.32/12,847,642.70 = 5,179,986.16/x
  3. Step 3: Cross multiply
    9,309,998.32x = 12,847,642.70 × 5,179,986.16
  4. Step 4: Simplify right side
    9,309,998.32x = 66,550,611,374,625.03
  5. Step 5: Solve for x
    x = 66,550,611,374,625.03/9,309,998.32
  6. Step 6: Final answer
    x = 7,148,294.67

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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.