Home / 21,576,232.20-29,782,296.20-17,174,032.86

Finding the Fourth Proportional to 21,576,232.20, 29,782,296.20 and 17,174,032.86

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Solution

The fourth proportional to 21,576,232.20, 29,782,296.20 and 17,174,032.86 is: 23,705,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,576,232.20 : 29,782,296.20 = 17,174,032.86 : x
  2. Step 2: Convert to fraction form
    21,576,232.20/29,782,296.20 = 17,174,032.86/x
  3. Step 3: Cross multiply
    21,576,232.20x = 29,782,296.20 × 17,174,032.86
  4. Step 4: Simplify right side
    21,576,232.20x = 511,482,133,739,671.81
  5. Step 5: Solve for x
    x = 511,482,133,739,671.81/21,576,232.20
  6. Step 6: Final answer
    x = 23,705,813.36

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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.