Home / 13,787,954.64-20,685,212.46-6,947,718.48

Finding the Fourth Proportional to 13,787,954.64, 20,685,212.46 and 6,947,718.48

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Solution

The fourth proportional to 13,787,954.64, 20,685,212.46 and 6,947,718.48 is: 10,423,230.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,787,954.64 : 20,685,212.46 = 6,947,718.48 : x
  2. Step 2: Convert to fraction form
    13,787,954.64/20,685,212.46 = 6,947,718.48/x
  3. Step 3: Cross multiply
    13,787,954.64x = 20,685,212.46 × 6,947,718.48
  4. Step 4: Simplify right side
    13,787,954.64x = 143,715,032,871,068.28
  5. Step 5: Solve for x
    x = 143,715,032,871,068.28/13,787,954.64
  6. Step 6: Final answer
    x = 10,423,230.76

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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.