Home / 13,129,406.94-19,677,544.20-6,654,109.26

Finding the Fourth Proportional to 13,129,406.94, 19,677,544.20 and 6,654,109.26

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Solution

The fourth proportional to 13,129,406.94, 19,677,544.20 and 6,654,109.26 is: 9,972,767.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,129,406.94 : 19,677,544.20 = 6,654,109.26 : x
  2. Step 2: Convert to fraction form
    13,129,406.94/19,677,544.20 = 6,654,109.26/x
  3. Step 3: Cross multiply
    13,129,406.94x = 19,677,544.20 × 6,654,109.26
  4. Step 4: Simplify right side
    13,129,406.94x = 130,936,529,075,279.28
  5. Step 5: Solve for x
    x = 130,936,529,075,279.28/13,129,406.94
  6. Step 6: Final answer
    x = 9,972,767.98

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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.