Home / 13,849,918.25-19,112,905.76-7,969,435.70

Finding the Fourth Proportional to 13,849,918.25, 19,112,905.76 and 7,969,435.70

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Solution

The fourth proportional to 13,849,918.25, 19,112,905.76 and 7,969,435.70 is: 10,997,831.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849,918.25 : 19,112,905.76 = 7,969,435.70 : x
  2. Step 2: Convert to fraction form
    13,849,918.25/19,112,905.76 = 7,969,435.70/x
  3. Step 3: Cross multiply
    13,849,918.25x = 19,112,905.76 × 7,969,435.70
  4. Step 4: Simplify right side
    13,849,918.25x = 152,319,073,359,067.94
  5. Step 5: Solve for x
    x = 152,319,073,359,067.94/13,849,918.25
  6. Step 6: Final answer
    x = 10,997,831.95

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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.