Home / 19,315,544.20-28,973,316.30-19,016,945.80

Finding the Fourth Proportional to 19,315,544.20, 28,973,316.30 and 19,016,945.80

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Solution

The fourth proportional to 19,315,544.20, 28,973,316.30 and 19,016,945.80 is: 28,525,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,544.20 : 28,973,316.30 = 19,016,945.80 : x
  2. Step 2: Convert to fraction form
    19,315,544.20/28,973,316.30 = 19,016,945.80/x
  3. Step 3: Cross multiply
    19,315,544.20x = 28,973,316.30 × 19,016,945.80
  4. Step 4: Simplify right side
    19,315,544.20x = 550,983,985,723,356.56
  5. Step 5: Solve for x
    x = 550,983,985,723,356.56/19,315,544.20
  6. Step 6: Final answer
    x = 28,525,418.70

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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.