Home / 18,917,259.44-28,311,529.73-11,626,875.18

Finding the Fourth Proportional to 18,917,259.44, 28,311,529.73 and 11,626,875.18

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Solution

The fourth proportional to 18,917,259.44, 28,311,529.73 and 11,626,875.18 is: 17,400,756.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,917,259.44 : 28,311,529.73 = 11,626,875.18 : x
  2. Step 2: Convert to fraction form
    18,917,259.44/28,311,529.73 = 11,626,875.18/x
  3. Step 3: Cross multiply
    18,917,259.44x = 28,311,529.73 × 11,626,875.18
  4. Step 4: Simplify right side
    18,917,259.44x = 329,174,622,267,434.75
  5. Step 5: Solve for x
    x = 329,174,622,267,434.75/18,917,259.44
  6. Step 6: Final answer
    x = 17,400,756.35

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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.