Home / 8,461,069.70-12,698,862.15-3,416,000.90

Finding the Fourth Proportional to 8,461,069.70, 12,698,862.15 and 3,416,000.90

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Solution

The fourth proportional to 8,461,069.70, 12,698,862.15 and 3,416,000.90 is: 5,126,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,461,069.70 : 12,698,862.15 = 3,416,000.90 : x
  2. Step 2: Convert to fraction form
    8,461,069.70/12,698,862.15 = 3,416,000.90/x
  3. Step 3: Cross multiply
    8,461,069.70x = 12,698,862.15 × 3,416,000.90
  4. Step 4: Simplify right side
    8,461,069.70x = 43,379,324,533,375.94
  5. Step 5: Solve for x
    x = 43,379,324,533,375.94/8,461,069.70
  6. Step 6: Final answer
    x = 5,126,931.47

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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.