Home / 15,201,013.28-20,977,546.11-9,089,441.78

Finding the Fourth Proportional to 15,201,013.28, 20,977,546.11 and 9,089,441.78

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Solution

The fourth proportional to 15,201,013.28, 20,977,546.11 and 9,089,441.78 is: 12,543,518.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,201,013.28 : 20,977,546.11 = 9,089,441.78 : x
  2. Step 2: Convert to fraction form
    15,201,013.28/20,977,546.11 = 9,089,441.78/x
  3. Step 3: Cross multiply
    15,201,013.28x = 20,977,546.11 × 9,089,441.78
  4. Step 4: Simplify right side
    15,201,013.28x = 190,674,184,054,110.47
  5. Step 5: Solve for x
    x = 190,674,184,054,110.47/15,201,013.28
  6. Step 6: Final answer
    x = 12,543,518.02

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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.