Home / 9,657,829.40-14,481,495.30-3,978,627.80

Finding the Fourth Proportional to 9,657,829.40, 14,481,495.30 and 3,978,627.80

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Solution

The fourth proportional to 9,657,829.40, 14,481,495.30 and 3,978,627.80 is: 5,965,779.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,657,829.40 : 14,481,495.30 = 3,978,627.80 : x
  2. Step 2: Convert to fraction form
    9,657,829.40/14,481,495.30 = 3,978,627.80/x
  3. Step 3: Cross multiply
    9,657,829.40x = 14,481,495.30 × 3,978,627.80
  4. Step 4: Simplify right side
    9,657,829.40x = 57,616,479,786,149.34
  5. Step 5: Solve for x
    x = 57,616,479,786,149.34/9,657,829.40
  6. Step 6: Final answer
    x = 5,965,779.41

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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.