Finding the Fourth Proportional to 15,106,977.59, 22,667,164.37 and 7,916,801.99
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Solution
The fourth proportional to 15,106,977.59, 22,667,164.37 and 7,916,801.99 is: 11,878,713.05
Step by Step Solution
- Step 1: Write the proportion equation
15,106,977.59 : 22,667,164.37 = 7,916,801.99 : x - Step 2: Convert to fraction form
15,106,977.59/22,667,164.37 = 7,916,801.99/x - Step 3: Cross multiply
15,106,977.59x = 22,667,164.37 × 7,916,801.99 - Step 4: Simplify right side
15,106,977.59x = 179,451,451,839,153.25 - Step 5: Solve for x
x = 179,451,451,839,153.25/15,106,977.59 - Step 6: Final answer
x = 11,878,713.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.