Home / 12,715,232.91-19,048,848.60-7,512,317.69

Finding the Fourth Proportional to 12,715,232.91, 19,048,848.60 and 7,512,317.69

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Solution

The fourth proportional to 12,715,232.91, 19,048,848.60 and 7,512,317.69 is: 11,254,296.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715,232.91 : 19,048,848.60 = 7,512,317.69 : x
  2. Step 2: Convert to fraction form
    12,715,232.91/19,048,848.60 = 7,512,317.69/x
  3. Step 3: Cross multiply
    12,715,232.91x = 19,048,848.60 × 7,512,317.69
  4. Step 4: Simplify right side
    12,715,232.91x = 143,101,002,216,667.50
  5. Step 5: Solve for x
    x = 143,101,002,216,667.50/12,715,232.91
  6. Step 6: Final answer
    x = 11,254,296.58

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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.