Home / 13,590,675.51-18,755,135.37-7,479,104.01

Finding the Fourth Proportional to 13,590,675.51, 18,755,135.37 and 7,479,104.01

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Solution

The fourth proportional to 13,590,675.51, 18,755,135.37 and 7,479,104.01 is: 10,321,165.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,675.51 : 18,755,135.37 = 7,479,104.01 : x
  2. Step 2: Convert to fraction form
    13,590,675.51/18,755,135.37 = 7,479,104.01/x
  3. Step 3: Cross multiply
    13,590,675.51x = 18,755,135.37 × 7,479,104.01
  4. Step 4: Simplify right side
    13,590,675.51x = 140,271,608,153,859.84
  5. Step 5: Solve for x
    x = 140,271,608,153,859.84/13,590,675.51
  6. Step 6: Final answer
    x = 10,321,165.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.