Finding the Fourth Proportional to 13,813,019.05, 19,063,387.11 and 8,787,254.17
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Solution
The fourth proportional to 13,813,019.05, 19,063,387.11 and 8,787,254.17 is: 12,127,314.62
Step by Step Solution
- Step 1: Write the proportion equation
13,813,019.05 : 19,063,387.11 = 8,787,254.17 : x - Step 2: Convert to fraction form
13,813,019.05/19,063,387.11 = 8,787,254.17/x - Step 3: Cross multiply
13,813,019.05x = 19,063,387.11 × 8,787,254.17 - Step 4: Simplify right side
13,813,019.05x = 167,514,827,876,671.75 - Step 5: Solve for x
x = 167,514,827,876,671.75/13,813,019.05 - Step 6: Final answer
x = 12,127,314.62
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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.