Home / 19,307,570.40-28,971,993.60-11,739,850.56

Finding the Fourth Proportional to 19,307,570.40, 28,971,993.60 and 11,739,850.56

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Solution

The fourth proportional to 19,307,570.40, 28,971,993.60 and 11,739,850.56 is: 17,616,244.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,307,570.40 : 28,971,993.60 = 11,739,850.56 : x
  2. Step 2: Convert to fraction form
    19,307,570.40/28,971,993.60 = 11,739,850.56/x
  3. Step 3: Cross multiply
    19,307,570.40x = 28,971,993.60 × 11,739,850.56
  4. Step 4: Simplify right side
    19,307,570.40x = 340,126,875,289,276.44
  5. Step 5: Solve for x
    x = 340,126,875,289,276.44/19,307,570.40
  6. Step 6: Final answer
    x = 17,616,244.21

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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.