Home / 13,673,815.38-18,869,102.01-7,477,639.38

Finding the Fourth Proportional to 13,673,815.38, 18,869,102.01 and 7,477,639.38

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Solution

The fourth proportional to 13,673,815.38, 18,869,102.01 and 7,477,639.38 is: 10,318,724.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,673,815.38 : 18,869,102.01 = 7,477,639.38 : x
  2. Step 2: Convert to fraction form
    13,673,815.38/18,869,102.01 = 7,477,639.38/x
  3. Step 3: Cross multiply
    13,673,815.38x = 18,869,102.01 × 7,477,639.38
  4. Step 4: Simplify right side
    13,673,815.38x = 141,096,340,255,213.16
  5. Step 5: Solve for x
    x = 141,096,340,255,213.16/13,673,815.38
  6. Step 6: Final answer
    x = 10,318,724.97

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1.5x scale

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.