Home / 13,574,032.03-18,732,286.11-7,379,090.74

Finding the Fourth Proportional to 13,574,032.03, 18,732,286.11 and 7,379,090.74

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Solution

The fourth proportional to 13,574,032.03, 18,732,286.11 and 7,379,090.74 is: 10,183,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,032.03 : 18,732,286.11 = 7,379,090.74 : x
  2. Step 2: Convert to fraction form
    13,574,032.03/18,732,286.11 = 7,379,090.74/x
  3. Step 3: Cross multiply
    13,574,032.03x = 18,732,286.11 × 7,379,090.74
  4. Step 4: Simplify right side
    13,574,032.03x = 138,227,238,973,331.62
  5. Step 5: Solve for x
    x = 138,227,238,973,331.62/13,574,032.03
  6. Step 6: Final answer
    x = 10,183,211.49

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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.