Home / 9,151,980.02-12,629,697.60-5,022,080.28

Finding the Fourth Proportional to 9,151,980.02, 12,629,697.60 and 5,022,080.28

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Solution

The fourth proportional to 9,151,980.02, 12,629,697.60 and 5,022,080.28 is: 6,930,451.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,151,980.02 : 12,629,697.60 = 5,022,080.28 : x
  2. Step 2: Convert to fraction form
    9,151,980.02/12,629,697.60 = 5,022,080.28/x
  3. Step 3: Cross multiply
    9,151,980.02x = 12,629,697.60 × 5,022,080.28
  4. Step 4: Simplify right side
    9,151,980.02x = 63,427,355,171,064.45
  5. Step 5: Solve for x
    x = 63,427,355,171,064.45/9,151,980.02
  6. Step 6: Final answer
    x = 6,930,451.67

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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.