Home / 22,236,335.21-30,686,455.94-12,811,917.59

Finding the Fourth Proportional to 22,236,335.21, 30,686,455.94 and 12,811,917.59

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Solution

The fourth proportional to 22,236,335.21, 30,686,455.94 and 12,811,917.59 is: 17,680,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236,335.21 : 30,686,455.94 = 12,811,917.59 : x
  2. Step 2: Convert to fraction form
    22,236,335.21/30,686,455.94 = 12,811,917.59/x
  3. Step 3: Cross multiply
    22,236,335.21x = 30,686,455.94 × 12,811,917.59
  4. Step 4: Simplify right side
    22,236,335.21x = 393,152,344,600,416.19
  5. Step 5: Solve for x
    x = 393,152,344,600,416.19/22,236,335.21
  6. Step 6: Final answer
    x = 17,680,626.81

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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.