Home / 9,361,782.08-12,918,140.44-5,174,901.52

Finding the Fourth Proportional to 9,361,782.08, 12,918,140.44 and 5,174,901.52

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Solution

The fourth proportional to 9,361,782.08, 12,918,140.44 and 5,174,901.52 is: 7,140,745.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361,782.08 : 12,918,140.44 = 5,174,901.52 : x
  2. Step 2: Convert to fraction form
    9,361,782.08/12,918,140.44 = 5,174,901.52/x
  3. Step 3: Cross multiply
    9,361,782.08x = 12,918,140.44 × 5,174,901.52
  4. Step 4: Simplify right side
    9,361,782.08x = 66,850,104,598,529.46
  5. Step 5: Solve for x
    x = 66,850,104,598,529.46/9,361,782.08
  6. Step 6: Final answer
    x = 7,140,745.64

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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.