Home / 19,179,289.44-26,468,364.48-10,919,515.32

Finding the Fourth Proportional to 19,179,289.44, 26,468,364.48 and 10,919,515.32

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Solution

The fourth proportional to 19,179,289.44, 26,468,364.48 and 10,919,515.32 is: 15,069,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,179,289.44 : 26,468,364.48 = 10,919,515.32 : x
  2. Step 2: Convert to fraction form
    19,179,289.44/26,468,364.48 = 10,919,515.32/x
  3. Step 3: Cross multiply
    19,179,289.44x = 26,468,364.48 × 10,919,515.32
  4. Step 4: Simplify right side
    19,179,289.44x = 289,021,711,434,703.88
  5. Step 5: Solve for x
    x = 289,021,711,434,703.88/19,179,289.44
  6. Step 6: Final answer
    x = 15,069,469.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.