Finding the Fourth Proportional to 14,528,828.58, 20,049,782.49 and 8,420,800.02
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Solution
The fourth proportional to 14,528,828.58, 20,049,782.49 and 8,420,800.02 is: 11,620,703.48
Step by Step Solution
- Step 1: Write the proportion equation
14,528,828.58 : 20,049,782.49 = 8,420,800.02 : x - Step 2: Convert to fraction form
14,528,828.58/20,049,782.49 = 8,420,800.02/x - Step 3: Cross multiply
14,528,828.58x = 20,049,782.49 × 8,420,800.02 - Step 4: Simplify right side
14,528,828.58x = 168,835,208,792,787.62 - Step 5: Solve for x
x = 168,835,208,792,787.62/14,528,828.58 - Step 6: Final answer
x = 11,620,703.48
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.