Finding the Fourth Proportional to 19,287,416.52, 26,614,696.68 and 11,552,259.96
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Solution
The fourth proportional to 19,287,416.52, 26,614,696.68 and 11,552,259.96 is: 15,940,957.90
Step by Step Solution
- Step 1: Write the proportion equation
19,287,416.52 : 26,614,696.68 = 11,552,259.96 : x - Step 2: Convert to fraction form
19,287,416.52/26,614,696.68 = 11,552,259.96/x - Step 3: Cross multiply
19,287,416.52x = 26,614,696.68 × 11,552,259.96 - Step 4: Simplify right side
19,287,416.52x = 307,459,894,803,908.94 - Step 5: Solve for x
x = 307,459,894,803,908.94/19,287,416.52 - Step 6: Final answer
x = 15,940,957.90
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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.