Home / 9,906,966.81-13,658,958.45-6,416,138.16

Finding the Fourth Proportional to 9,906,966.81, 13,658,958.45 and 6,416,138.16

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Solution

The fourth proportional to 9,906,966.81, 13,658,958.45 and 6,416,138.16 is: 8,846,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,906,966.81 : 13,658,958.45 = 6,416,138.16 : x
  2. Step 2: Convert to fraction form
    9,906,966.81/13,658,958.45 = 6,416,138.16/x
  3. Step 3: Cross multiply
    9,906,966.81x = 13,658,958.45 × 6,416,138.16
  4. Step 4: Simplify right side
    9,906,966.81x = 87,637,764,536,899.45
  5. Step 5: Solve for x
    x = 87,637,764,536,899.45/9,906,966.81
  6. Step 6: Final answer
    x = 8,846,074.30

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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.