Home / 16,290,561.72-22,479,664.14-9,415,489.08

Finding the Fourth Proportional to 16,290,561.72, 22,479,664.14 and 9,415,489.08

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Solution

The fourth proportional to 16,290,561.72, 22,479,664.14 and 9,415,489.08 is: 12,992,617.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,290,561.72 : 22,479,664.14 = 9,415,489.08 : x
  2. Step 2: Convert to fraction form
    16,290,561.72/22,479,664.14 = 9,415,489.08/x
  3. Step 3: Cross multiply
    16,290,561.72x = 22,479,664.14 × 9,415,489.08
  4. Step 4: Simplify right side
    16,290,561.72x = 211,657,032,232,237.59
  5. Step 5: Solve for x
    x = 211,657,032,232,237.59/16,290,561.72
  6. Step 6: Final answer
    x = 12,992,617.19

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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.