Finding the Fourth Proportional to 19,130,357.54, 28,701,733.01 and 11,452,801.70
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Solution
The fourth proportional to 19,130,357.54, 28,701,733.01 and 11,452,801.70 is: 17,182,912.33
Step by Step Solution
- Step 1: Write the proportion equation
19,130,357.54 : 28,701,733.01 = 11,452,801.70 : x - Step 2: Convert to fraction form
19,130,357.54/28,701,733.01 = 11,452,801.70/x - Step 3: Cross multiply
19,130,357.54x = 28,701,733.01 × 11,452,801.70 - Step 4: Simplify right side
19,130,357.54x = 328,715,256,409,101.44 - Step 5: Solve for x
x = 328,715,256,409,101.44/19,130,357.54 - Step 6: Final answer
x = 17,182,912.33
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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.