Home / 18,413,938.20-27,609,848.10-9,455,986.20

Finding the Fourth Proportional to 18,413,938.20, 27,609,848.10 and 9,455,986.20

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Solution

The fourth proportional to 18,413,938.20, 27,609,848.10 and 9,455,986.20 is: 14,178,300.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413,938.20 : 27,609,848.10 = 9,455,986.20 : x
  2. Step 2: Convert to fraction form
    18,413,938.20/27,609,848.10 = 9,455,986.20/x
  3. Step 3: Cross multiply
    18,413,938.20x = 27,609,848.10 × 9,455,986.20
  4. Step 4: Simplify right side
    18,413,938.20x = 261,078,342,617,696.22
  5. Step 5: Solve for x
    x = 261,078,342,617,696.22/18,413,938.20
  6. Step 6: Final answer
    x = 14,178,300.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.