Home / 21,332,374.02-29,438,455.32-11,542,602.24

Finding the Fourth Proportional to 21,332,374.02, 29,438,455.32 and 11,542,602.24

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Solution

The fourth proportional to 21,332,374.02, 29,438,455.32 and 11,542,602.24 is: 15,928,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,332,374.02 : 29,438,455.32 = 11,542,602.24 : x
  2. Step 2: Convert to fraction form
    21,332,374.02/29,438,455.32 = 11,542,602.24/x
  3. Step 3: Cross multiply
    21,332,374.02x = 29,438,455.32 × 11,542,602.24
  4. Step 4: Simplify right side
    21,332,374.02x = 339,796,380,318,771.94
  5. Step 5: Solve for x
    x = 339,796,380,318,771.94/21,332,374.02
  6. Step 6: Final answer
    x = 15,928,671.60

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1.5x scale

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.