Home / 20,401,518.72-30,606,316.90-5,828,562.28

Finding the Fourth Proportional to 20,401,518.72, 30,606,316.90 and 5,828,562.28

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Solution

The fourth proportional to 20,401,518.72, 30,606,316.90 and 5,828,562.28 is: 8,743,997.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,401,518.72 : 30,606,316.90 = 5,828,562.28 : x
  2. Step 2: Convert to fraction form
    20,401,518.72/30,606,316.90 = 5,828,562.28/x
  3. Step 3: Cross multiply
    20,401,518.72x = 30,606,316.90 × 5,828,562.28
  4. Step 4: Simplify right side
    20,401,518.72x = 178,390,824,213,066.53
  5. Step 5: Solve for x
    x = 178,390,824,213,066.53/20,401,518.72
  6. Step 6: Final answer
    x = 8,743,997.28

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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.