Finding the Fourth Proportional to 23,193,869.84, 32,006,663.44 and 12,881,257.23
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Solution
The fourth proportional to 23,193,869.84, 32,006,663.44 and 12,881,257.23 is: 17,775,647.95
Step by Step Solution
- Step 1: Write the proportion equation
23,193,869.84 : 32,006,663.44 = 12,881,257.23 : x - Step 2: Convert to fraction form
23,193,869.84/32,006,663.44 = 12,881,257.23/x - Step 3: Cross multiply
23,193,869.84x = 32,006,663.44 × 12,881,257.23 - Step 4: Simplify right side
23,193,869.84x = 412,286,064,812,473.56 - Step 5: Solve for x
x = 412,286,064,812,473.56/23,193,869.84 - Step 6: Final answer
x = 17,775,647.95
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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.