Finding the Fourth Proportional to 14,570,276.24, 20,106,877.10 and 7,954,864.49
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Solution
The fourth proportional to 14,570,276.24, 20,106,877.10 and 7,954,864.49 is: 10,977,656.16
Step by Step Solution
- Step 1: Write the proportion equation
14,570,276.24 : 20,106,877.10 = 7,954,864.49 : x - Step 2: Convert to fraction form
14,570,276.24/20,106,877.10 = 7,954,864.49/x - Step 3: Cross multiply
14,570,276.24x = 20,106,877.10 × 7,954,864.49 - Step 4: Simplify right side
14,570,276.24x = 159,947,482,717,738.53 - Step 5: Solve for x
x = 159,947,482,717,738.53/14,570,276.24 - Step 6: Final answer
x = 10,977,656.16
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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.