Home / 12,769,341.60-19,161,010.80-5,201,738.40

Finding the Fourth Proportional to 12,769,341.60, 19,161,010.80 and 5,201,738.40

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Solution

The fourth proportional to 12,769,341.60, 19,161,010.80 and 5,201,738.40 is: 7,805,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,769,341.60 : 19,161,010.80 = 5,201,738.40 : x
  2. Step 2: Convert to fraction form
    12,769,341.60/19,161,010.80 = 5,201,738.40/x
  3. Step 3: Cross multiply
    12,769,341.60x = 19,161,010.80 × 5,201,738.40
  4. Step 4: Simplify right side
    12,769,341.60x = 99,670,565,661,174.73
  5. Step 5: Solve for x
    x = 99,670,565,661,174.73/12,769,341.60
  6. Step 6: Final answer
    x = 7,805,458.48

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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.