Home / 14,274,009.70-19,698,153.32-7,747,640.51

Finding the Fourth Proportional to 14,274,009.70, 19,698,153.32 and 7,747,640.51

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Solution

The fourth proportional to 14,274,009.70, 19,698,153.32 and 7,747,640.51 is: 10,691,754.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274,009.70 : 19,698,153.32 = 7,747,640.51 : x
  2. Step 2: Convert to fraction form
    14,274,009.70/19,698,153.32 = 7,747,640.51/x
  3. Step 3: Cross multiply
    14,274,009.70x = 19,698,153.32 × 7,747,640.51
  4. Step 4: Simplify right side
    14,274,009.70x = 152,614,210,555,101.34
  5. Step 5: Solve for x
    x = 152,614,210,555,101.34/14,274,009.70
  6. Step 6: Final answer
    x = 10,691,754.72

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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.