Home / 10,706,863.80-16,065,738.90-7,115,129.40

Finding the Fourth Proportional to 10,706,863.80, 16,065,738.90 and 7,115,129.40

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Solution

The fourth proportional to 10,706,863.80, 16,065,738.90 and 7,115,129.40 is: 10,676,311.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,706,863.80 : 16,065,738.90 = 7,115,129.40 : x
  2. Step 2: Convert to fraction form
    10,706,863.80/16,065,738.90 = 7,115,129.40/x
  3. Step 3: Cross multiply
    10,706,863.80x = 16,065,738.90 × 7,115,129.40
  4. Step 4: Simplify right side
    10,706,863.80x = 114,309,811,180,113.67
  5. Step 5: Solve for x
    x = 114,309,811,180,113.67/10,706,863.80
  6. Step 6: Final answer
    x = 10,676,311.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.