Home / 20,052,220.51-30,074,775.27-9,119,849.44

Finding the Fourth Proportional to 20,052,220.51, 30,074,775.27 and 9,119,849.44

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Solution

The fourth proportional to 20,052,220.51, 30,074,775.27 and 9,119,849.44 is: 13,678,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,052,220.51 : 30,074,775.27 = 9,119,849.44 : x
  2. Step 2: Convert to fraction form
    20,052,220.51/30,074,775.27 = 9,119,849.44/x
  3. Step 3: Cross multiply
    20,052,220.51x = 30,074,775.27 × 9,119,849.44
  4. Step 4: Simplify right side
    20,052,220.51x = 274,277,422,404,235.34
  5. Step 5: Solve for x
    x = 274,277,422,404,235.34/20,052,220.51
  6. Step 6: Final answer
    x = 13,678,157.10

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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.