Home / 13,658,418.09-18,848,389.28-7,463,328.71

Finding the Fourth Proportional to 13,658,418.09, 18,848,389.28 and 7,463,328.71

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Solution

The fourth proportional to 13,658,418.09, 18,848,389.28 and 7,463,328.71 is: 10,299,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,658,418.09 : 18,848,389.28 = 7,463,328.71 : x
  2. Step 2: Convert to fraction form
    13,658,418.09/18,848,389.28 = 7,463,328.71/x
  3. Step 3: Cross multiply
    13,658,418.09x = 18,848,389.28 × 7,463,328.71
  4. Step 4: Simplify right side
    13,658,418.09x = 140,671,724,719,121.62
  5. Step 5: Solve for x
    x = 140,671,724,719,121.62/13,658,418.09
  6. Step 6: Final answer
    x = 10,299,269.20

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