Home / 18,362,705.10-27,540,632.25-7,430,029.50

Finding the Fourth Proportional to 18,362,705.10, 27,540,632.25 and 7,430,029.50

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Solution

The fourth proportional to 18,362,705.10, 27,540,632.25 and 7,430,029.50 is: 11,143,658.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,705.10 : 27,540,632.25 = 7,430,029.50 : x
  2. Step 2: Convert to fraction form
    18,362,705.10/27,540,632.25 = 7,430,029.50/x
  3. Step 3: Cross multiply
    18,362,705.10x = 27,540,632.25 × 7,430,029.50
  4. Step 4: Simplify right side
    18,362,705.10x = 204,627,710,066,151.38
  5. Step 5: Solve for x
    x = 204,627,710,066,151.38/18,362,705.10
  6. Step 6: Final answer
    x = 11,143,658.24

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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.