Home / 19,440,100.40-29,160,150.60-18,693,604.40

Finding the Fourth Proportional to 19,440,100.40, 29,160,150.60 and 18,693,604.40

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Solution

The fourth proportional to 19,440,100.40, 29,160,150.60 and 18,693,604.40 is: 28,040,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,440,100.40 : 29,160,150.60 = 18,693,604.40 : x
  2. Step 2: Convert to fraction form
    19,440,100.40/29,160,150.60 = 18,693,604.40/x
  3. Step 3: Cross multiply
    19,440,100.40x = 29,160,150.60 × 18,693,604.40
  4. Step 4: Simplify right side
    19,440,100.40x = 545,108,319,560,822.62
  5. Step 5: Solve for x
    x = 545,108,319,560,822.62/19,440,100.40
  6. Step 6: Final answer
    x = 28,040,406.60

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1.5x scale

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.