Finding the Fourth Proportional to 19,017,990.36, 26,224,977.35 and 11,281,538.00
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Solution
The fourth proportional to 19,017,990.36, 26,224,977.35 and 11,281,538.00 is: 15,556,747.74
Step by Step Solution
- Step 1: Write the proportion equation
19,017,990.36 : 26,224,977.35 = 11,281,538.00 : x - Step 2: Convert to fraction form
19,017,990.36/26,224,977.35 = 11,281,538.00/x - Step 3: Cross multiply
19,017,990.36x = 26,224,977.35 × 11,281,538.00 - Step 4: Simplify right side
19,017,990.36x = 295,858,078,616,930.56 - Step 5: Solve for x
x = 295,858,078,616,930.56/19,017,990.36 - Step 6: Final answer
x = 15,556,747.74
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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.