Home / 19,178,119.68-28,766,982.65-11,085,946.31

Finding the Fourth Proportional to 19,178,119.68, 28,766,982.65 and 11,085,946.31

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Solution

The fourth proportional to 19,178,119.68, 28,766,982.65 and 11,085,946.31 is: 16,628,805.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,178,119.68 : 28,766,982.65 = 11,085,946.31 : x
  2. Step 2: Convert to fraction form
    19,178,119.68/28,766,982.65 = 11,085,946.31/x
  3. Step 3: Cross multiply
    19,178,119.68x = 28,766,982.65 × 11,085,946.31
  4. Step 4: Simplify right side
    19,178,119.68x = 318,909,225,014,766.56
  5. Step 5: Solve for x
    x = 318,909,225,014,766.56/19,178,119.68
  6. Step 6: Final answer
    x = 16,628,805.66

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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.