Home / 19,809,186.30-29,713,779.45-13,644,470.70

Finding the Fourth Proportional to 19,809,186.30, 29,713,779.45 and 13,644,470.70

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Solution

The fourth proportional to 19,809,186.30, 29,713,779.45 and 13,644,470.70 is: 20,466,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,809,186.30 : 29,713,779.45 = 13,644,470.70 : x
  2. Step 2: Convert to fraction form
    19,809,186.30/29,713,779.45 = 13,644,470.70/x
  3. Step 3: Cross multiply
    19,809,186.30x = 29,713,779.45 × 13,644,470.70
  4. Step 4: Simplify right side
    19,809,186.30x = 405,428,793,091,787.06
  5. Step 5: Solve for x
    x = 405,428,793,091,787.06/19,809,186.30
  6. Step 6: Final answer
    x = 20,466,706.05

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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.