Finding the Fourth Proportional to 14,604,787.12, 20,155,104.17 and 8,326,243.03
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Solution
The fourth proportional to 14,604,787.12, 20,155,104.17 and 8,326,243.03 is: 11,490,499.26
Step by Step Solution
- Step 1: Write the proportion equation
14,604,787.12 : 20,155,104.17 = 8,326,243.03 : x - Step 2: Convert to fraction form
14,604,787.12/20,155,104.17 = 8,326,243.03/x - Step 3: Cross multiply
14,604,787.12x = 20,155,104.17 × 8,326,243.03 - Step 4: Simplify right side
14,604,787.12x = 167,816,295,614,386.47 - Step 5: Solve for x
x = 167,816,295,614,386.47/14,604,787.12 - Step 6: Final answer
x = 11,490,499.26
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1.5x scale
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.