Home / 19,722,618.40-29,563,807.20-13,333,516.60

Finding the Fourth Proportional to 19,722,618.40, 29,563,807.20 and 13,333,516.60

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Solution

The fourth proportional to 19,722,618.40, 29,563,807.20 and 13,333,516.60 is: 19,986,672.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722,618.40 : 29,563,807.20 = 13,333,516.60 : x
  2. Step 2: Convert to fraction form
    19,722,618.40/29,563,807.20 = 13,333,516.60/x
  3. Step 3: Cross multiply
    19,722,618.40x = 29,563,807.20 × 13,333,516.60
  4. Step 4: Simplify right side
    19,722,618.40x = 394,189,514,060,399.50
  5. Step 5: Solve for x
    x = 394,189,514,060,399.50/19,722,618.40
  6. Step 6: Final answer
    x = 19,986,672.46

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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.