Finding the Fourth Proportional to 19,602,219.58, 27,056,765.41 and 13,075,833.47
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Solution
The fourth proportional to 19,602,219.58, 27,056,765.41 and 13,075,833.47 is: 18,048,454.02
Step by Step Solution
- Step 1: Write the proportion equation
19,602,219.58 : 27,056,765.41 = 13,075,833.47 : x - Step 2: Convert to fraction form
19,602,219.58/27,056,765.41 = 13,075,833.47/x - Step 3: Cross multiply
19,602,219.58x = 27,056,765.41 × 13,075,833.47 - Step 4: Simplify right side
19,602,219.58x = 353,789,758,748,451.44 - Step 5: Solve for x
x = 353,789,758,748,451.44/19,602,219.58 - Step 6: Final answer
x = 18,048,454.02
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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.