Home / 12,869,533.76-19,300,014.24-5,191,195.52

Finding the Fourth Proportional to 12,869,533.76, 19,300,014.24 and 5,191,195.52

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Solution

The fourth proportional to 12,869,533.76, 19,300,014.24 and 5,191,195.52 is: 7,785,064.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869,533.76 : 19,300,014.24 = 5,191,195.52 : x
  2. Step 2: Convert to fraction form
    12,869,533.76/19,300,014.24 = 5,191,195.52/x
  3. Step 3: Cross multiply
    12,869,533.76x = 19,300,014.24 × 5,191,195.52
  4. Step 4: Simplify right side
    12,869,533.76x = 100,190,147,458,624.19
  5. Step 5: Solve for x
    x = 100,190,147,458,624.19/12,869,533.76
  6. Step 6: Final answer
    x = 7,785,064.27

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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.