Finding the Fourth Proportional to 13,174,048.36, 19,757,038.74 and 4,652,388.28
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Solution
The fourth proportional to 13,174,048.36, 19,757,038.74 and 4,652,388.28 is: 6,977,157.89
Step by Step Solution
- Step 1: Write the proportion equation
13,174,048.36 : 19,757,038.74 = 4,652,388.28 : x - Step 2: Convert to fraction form
13,174,048.36/19,757,038.74 = 4,652,388.28/x - Step 3: Cross multiply
13,174,048.36x = 19,757,038.74 × 4,652,388.28 - Step 4: Simplify right side
13,174,048.36x = 91,917,415,481,481.97 - Step 5: Solve for x
x = 91,917,415,481,481.97/13,174,048.36 - Step 6: Final answer
x = 6,977,157.89
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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.