Finding the Fourth Proportional to 14,242,872.40, 19,655,137.31 and 7,716,664.06
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Solution
The fourth proportional to 14,242,872.40, 19,655,137.31 and 7,716,664.06 is: 10,648,981.99
Step by Step Solution
- Step 1: Write the proportion equation
14,242,872.40 : 19,655,137.31 = 7,716,664.06 : x - Step 2: Convert to fraction form
14,242,872.40/19,655,137.31 = 7,716,664.06/x - Step 3: Cross multiply
14,242,872.40x = 19,655,137.31 × 7,716,664.06 - Step 4: Simplify right side
14,242,872.40x = 151,672,091,674,442.06 - Step 5: Solve for x
x = 151,672,091,674,442.06/14,242,872.40 - Step 6: Final answer
x = 10,648,981.99
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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.