Home / 13,137,701.94-19,706,554.13-3,915,817.31

Finding the Fourth Proportional to 13,137,701.94, 19,706,554.13 and 3,915,817.31

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Solution

The fourth proportional to 13,137,701.94, 19,706,554.13 and 3,915,817.31 is: 5,873,726.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,137,701.94 : 19,706,554.13 = 3,915,817.31 : x
  2. Step 2: Convert to fraction form
    13,137,701.94/19,706,554.13 = 3,915,817.31/x
  3. Step 3: Cross multiply
    13,137,701.94x = 19,706,554.13 × 3,915,817.31
  4. Step 4: Simplify right side
    13,137,701.94x = 77,167,265,812,393.28
  5. Step 5: Solve for x
    x = 77,167,265,812,393.28/13,137,701.94
  6. Step 6: Final answer
    x = 5,873,726.33

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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.