Home / 13,823,138.53-19,075,939.37-7,711,567.03

Finding the Fourth Proportional to 13,823,138.53, 19,075,939.37 and 7,711,567.03

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Solution

The fourth proportional to 13,823,138.53, 19,075,939.37 and 7,711,567.03 is: 10,641,967.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,823,138.53 : 19,075,939.37 = 7,711,567.03 : x
  2. Step 2: Convert to fraction form
    13,823,138.53/19,075,939.37 = 7,711,567.03/x
  3. Step 3: Cross multiply
    13,823,138.53x = 19,075,939.37 × 7,711,567.03
  4. Step 4: Simplify right side
    13,823,138.53x = 147,105,385,169,554
  5. Step 5: Solve for x
    x = 147,105,385,169,554/13,823,138.53
  6. Step 6: Final answer
    x = 10,641,967.08

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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.