Home / 13,879,982.05-19,154,973.63-7,685,028.43

Finding the Fourth Proportional to 13,879,982.05, 19,154,973.63 and 7,685,028.43

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Solution

The fourth proportional to 13,879,982.05, 19,154,973.63 and 7,685,028.43 is: 10,605,670.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879,982.05 : 19,154,973.63 = 7,685,028.43 : x
  2. Step 2: Convert to fraction form
    13,879,982.05/19,154,973.63 = 7,685,028.43/x
  3. Step 3: Cross multiply
    13,879,982.05x = 19,154,973.63 × 7,685,028.43
  4. Step 4: Simplify right side
    13,879,982.05x = 147,206,516,922,450.28
  5. Step 5: Solve for x
    x = 147,206,516,922,450.28/13,879,982.05
  6. Step 6: Final answer
    x = 10,605,670.55

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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.