Home / 13,787,015.76-20,683,496.59-6,874,264.15

Finding the Fourth Proportional to 13,787,015.76, 20,683,496.59 and 6,874,264.15

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Solution

The fourth proportional to 13,787,015.76, 20,683,496.59 and 6,874,264.15 is: 10,312,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,015.76 : 20,683,496.59 = 6,874,264.15 : x
  2. Step 2: Convert to fraction form
    13,787,015.76/20,683,496.59 = 6,874,264.15/x
  3. Step 3: Cross multiply
    13,787,015.76x = 20,683,496.59 × 6,874,264.15
  4. Step 4: Simplify right side
    13,787,015.76x = 142,183,819,105,284.25
  5. Step 5: Solve for x
    x = 142,183,819,105,284.25/13,787,015.76
  6. Step 6: Final answer
    x = 10,312,878.55

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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.