Finding the Fourth Proportional to 16,286,634.68, 22,484,281.41 and 12,557,320.40
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Solution
The fourth proportional to 16,286,634.68, 22,484,281.41 and 12,557,320.40 is: 17,335,829.73
Step by Step Solution
- Step 1: Write the proportion equation
16,286,634.68 : 22,484,281.41 = 12,557,320.40 : x - Step 2: Convert to fraction form
16,286,634.68/22,484,281.41 = 12,557,320.40/x - Step 3: Cross multiply
16,286,634.68x = 22,484,281.41 × 12,557,320.40 - Step 4: Simplify right side
16,286,634.68x = 282,342,325,629,133.75 - Step 5: Solve for x
x = 282,342,325,629,133.75/16,286,634.68 - Step 6: Final answer
x = 17,335,829.73
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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.