Home / 34,638,140.40-51,961,876.20-11,925,999.60

Finding the Fourth Proportional to 34,638,140.40, 51,961,876.20 and 11,925,999.60

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Solution

The fourth proportional to 34,638,140.40, 51,961,876.20 and 11,925,999.60 is: 17,890,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,638,140.40 : 51,961,876.20 = 11,925,999.60 : x
  2. Step 2: Convert to fraction form
    34,638,140.40/51,961,876.20 = 11,925,999.60/x
  3. Step 3: Cross multiply
    34,638,140.40x = 51,961,876.20 × 11,925,999.60
  4. Step 4: Simplify right side
    34,638,140.40x = 619,697,314,776,449.50
  5. Step 5: Solve for x
    x = 619,697,314,776,449.50/34,638,140.40
  6. Step 6: Final answer
    x = 17,890,605.78

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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.