Home / 13,590,483.94-18,754,625.28-7,395,319.36

Finding the Fourth Proportional to 13,590,483.94, 18,754,625.28 and 7,395,319.36

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Solution

The fourth proportional to 13,590,483.94, 18,754,625.28 and 7,395,319.36 is: 10,205,408.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,590,483.94 : 18,754,625.28 = 7,395,319.36 : x
  2. Step 2: Convert to fraction form
    13,590,483.94/18,754,625.28 = 7,395,319.36/x
  3. Step 3: Cross multiply
    13,590,483.94x = 18,754,625.28 × 7,395,319.36
  4. Step 4: Simplify right side
    13,590,483.94x = 138,696,443,422,729.44
  5. Step 5: Solve for x
    x = 138,696,443,422,729.44/13,590,483.94
  6. Step 6: Final answer
    x = 10,205,408.73

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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.