Home / 13,237,389.57-18,268,377.90-9,968,436.93

Finding the Fourth Proportional to 13,237,389.57, 18,268,377.90 and 9,968,436.93

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Solution

The fourth proportional to 13,237,389.57, 18,268,377.90 and 9,968,436.93 is: 13,757,030.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237,389.57 : 18,268,377.90 = 9,968,436.93 : x
  2. Step 2: Convert to fraction form
    13,237,389.57/18,268,377.90 = 9,968,436.93/x
  3. Step 3: Cross multiply
    13,237,389.57x = 18,268,377.90 × 9,968,436.93
  4. Step 4: Simplify right side
    13,237,389.57x = 182,107,172,909,555.81
  5. Step 5: Solve for x
    x = 182,107,172,909,555.81/13,237,389.57
  6. Step 6: Final answer
    x = 13,757,030.56

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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.