Home / 11,890,361.34-16,408,782.63-6,457,853.34

Finding the Fourth Proportional to 11,890,361.34, 16,408,782.63 and 6,457,853.34

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Solution

The fourth proportional to 11,890,361.34, 16,408,782.63 and 6,457,853.34 is: 8,911,883.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,890,361.34 : 16,408,782.63 = 6,457,853.34 : x
  2. Step 2: Convert to fraction form
    11,890,361.34/16,408,782.63 = 6,457,853.34/x
  3. Step 3: Cross multiply
    11,890,361.34x = 16,408,782.63 × 6,457,853.34
  4. Step 4: Simplify right side
    11,890,361.34x = 105,965,511,712,479.48
  5. Step 5: Solve for x
    x = 105,965,511,712,479.48/11,890,361.34
  6. Step 6: Final answer
    x = 8,911,883.22

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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.