Finding the Fourth Proportional to 13,116,521.68, 19,675,372.96 and 4,017,955.28
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Solution
The fourth proportional to 13,116,521.68, 19,675,372.96 and 4,017,955.28 is: 6,027,113.79
Step by Step Solution
- Step 1: Write the proportion equation
13,116,521.68 : 19,675,372.96 = 4,017,955.28 : x - Step 2: Convert to fraction form
13,116,521.68/19,675,372.96 = 4,017,955.28/x - Step 3: Cross multiply
13,116,521.68x = 19,675,372.96 × 4,017,955.28 - Step 4: Simplify right side
13,116,521.68x = 79,054,768,670,601.23 - Step 5: Solve for x
x = 79,054,768,670,601.23/13,116,521.68 - Step 6: Final answer
x = 6,027,113.79
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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.