Home / 13,370,772.94-18,468,975.02-11,057,011.38

Finding the Fourth Proportional to 13,370,772.94, 18,468,975.02 and 11,057,011.38

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Solution

The fourth proportional to 13,370,772.94, 18,468,975.02 and 11,057,011.38 is: 15,272,988.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370,772.94 : 18,468,975.02 = 11,057,011.38 : x
  2. Step 2: Convert to fraction form
    13,370,772.94/18,468,975.02 = 11,057,011.38/x
  3. Step 3: Cross multiply
    13,370,772.94x = 18,468,975.02 × 11,057,011.38
  4. Step 4: Simplify right side
    13,370,772.94x = 204,211,666,973,075.75
  5. Step 5: Solve for x
    x = 204,211,666,973,075.75/13,370,772.94
  6. Step 6: Final answer
    x = 15,272,988.92

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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.