Finding the Fourth Proportional to 13,078,869.36, 19,605,577.47 and 6,253,672.14
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Solution
The fourth proportional to 13,078,869.36, 19,605,577.47 and 6,253,672.14 is: 9,374,422.99
Step by Step Solution
- Step 1: Write the proportion equation
13,078,869.36 : 19,605,577.47 = 6,253,672.14 : x - Step 2: Convert to fraction form
13,078,869.36/19,605,577.47 = 6,253,672.14/x - Step 3: Cross multiply
13,078,869.36x = 19,605,577.47 × 6,253,672.14 - Step 4: Simplify right side
13,078,869.36x = 122,606,853,612,750.67 - Step 5: Solve for x
x = 122,606,853,612,750.67/13,078,869.36 - Step 6: Final answer
x = 9,374,422.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.