Home / 21,422,465.66-29,562,895.54-11,632,822.68

Finding the Fourth Proportional to 21,422,465.66, 29,562,895.54 and 11,632,822.68

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Solution

The fourth proportional to 21,422,465.66, 29,562,895.54 and 11,632,822.68 is: 16,053,237.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,422,465.66 : 29,562,895.54 = 11,632,822.68 : x
  2. Step 2: Convert to fraction form
    21,422,465.66/29,562,895.54 = 11,632,822.68/x
  3. Step 3: Cross multiply
    21,422,465.66x = 29,562,895.54 × 11,632,822.68
  4. Step 4: Simplify right side
    21,422,465.66x = 343,899,921,724,182.81
  5. Step 5: Solve for x
    x = 343,899,921,724,182.81/21,422,465.66
  6. Step 6: Final answer
    x = 16,053,237.16

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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.