Finding the Fourth Proportional to 14,487,762.24, 19,988,752.07 and 8,684,426.52
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Solution
The fourth proportional to 14,487,762.24, 19,988,752.07 and 8,684,426.52 is: 11,981,895.18
Step by Step Solution
- Step 1: Write the proportion equation
14,487,762.24 : 19,988,752.07 = 8,684,426.52 : x - Step 2: Convert to fraction form
14,487,762.24/19,988,752.07 = 8,684,426.52/x - Step 3: Cross multiply
14,487,762.24x = 19,988,752.07 × 8,684,426.52 - Step 4: Simplify right side
14,487,762.24x = 173,590,848,534,990.78 - Step 5: Solve for x
x = 173,590,848,534,990.78/14,487,762.24 - Step 6: Final answer
x = 11,981,895.18
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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.