Home / 13,473,023.80-20,222,220.30-7,087,858.60

Finding the Fourth Proportional to 13,473,023.80, 20,222,220.30 and 7,087,858.60

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Solution

The fourth proportional to 13,473,023.80, 20,222,220.30 and 7,087,858.60 is: 10,638,460.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,473,023.80 : 20,222,220.30 = 7,087,858.60 : x
  2. Step 2: Convert to fraction form
    13,473,023.80/20,222,220.30 = 7,087,858.60/x
  3. Step 3: Cross multiply
    13,473,023.80x = 20,222,220.30 × 7,087,858.60
  4. Step 4: Simplify right side
    13,473,023.80x = 143,332,238,064,449.56
  5. Step 5: Solve for x
    x = 143,332,238,064,449.56/13,473,023.80
  6. Step 6: Final answer
    x = 10,638,460.99

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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.