Home / 13,146,408.60-18,142,982.65-7,265,916.41

Finding the Fourth Proportional to 13,146,408.60, 18,142,982.65 and 7,265,916.41

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Solution

The fourth proportional to 13,146,408.60, 18,142,982.65 and 7,265,916.41 is: 10,027,483.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,146,408.60 : 18,142,982.65 = 7,265,916.41 : x
  2. Step 2: Convert to fraction form
    13,146,408.60/18,142,982.65 = 7,265,916.41/x
  3. Step 3: Cross multiply
    13,146,408.60x = 18,142,982.65 × 7,265,916.41
  4. Step 4: Simplify right side
    13,146,408.60x = 131,825,395,390,172.95
  5. Step 5: Solve for x
    x = 131,825,395,390,172.95/13,146,408.60
  6. Step 6: Final answer
    x = 10,027,483.51

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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.