Home / 20,255,879.77-27,953,111.97-10,963,448.19

Finding the Fourth Proportional to 20,255,879.77, 27,953,111.97 and 10,963,448.19

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Solution

The fourth proportional to 20,255,879.77, 27,953,111.97 and 10,963,448.19 is: 15,129,557.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,255,879.77 : 27,953,111.97 = 10,963,448.19 : x
  2. Step 2: Convert to fraction form
    20,255,879.77/27,953,111.97 = 10,963,448.19/x
  3. Step 3: Cross multiply
    20,255,879.77x = 27,953,111.97 × 10,963,448.19
  4. Step 4: Simplify right side
    20,255,879.77x = 306,462,494,832,363.81
  5. Step 5: Solve for x
    x = 306,462,494,832,363.81/20,255,879.77
  6. Step 6: Final answer
    x = 15,129,557.36

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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.