Home / 14,640,861.40-21,961,292.10-7,466,407.90

Finding the Fourth Proportional to 14,640,861.40, 21,961,292.10 and 7,466,407.90

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Solution

The fourth proportional to 14,640,861.40, 21,961,292.10 and 7,466,407.90 is: 11,199,611.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640,861.40 : 21,961,292.10 = 7,466,407.90 : x
  2. Step 2: Convert to fraction form
    14,640,861.40/21,961,292.10 = 7,466,407.90/x
  3. Step 3: Cross multiply
    14,640,861.40x = 21,961,292.10 × 7,466,407.90
  4. Step 4: Simplify right side
    14,640,861.40x = 163,971,964,829,647.59
  5. Step 5: Solve for x
    x = 163,971,964,829,647.59/14,640,861.40
  6. Step 6: Final answer
    x = 11,199,611.85

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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.