Finding the Fourth Proportional to 13,704,419.51, 20,548,661.29 and 5,185,412.99
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Solution
The fourth proportional to 13,704,419.51, 20,548,661.29 and 5,185,412.99 is: 7,775,104.59
Step by Step Solution
- Step 1: Write the proportion equation
13,704,419.51 : 20,548,661.29 = 5,185,412.99 : x - Step 2: Convert to fraction form
13,704,419.51/20,548,661.29 = 5,185,412.99/x - Step 3: Cross multiply
13,704,419.51x = 20,548,661.29 × 5,185,412.99 - Step 4: Simplify right side
13,704,419.51x = 106,553,295,064,569.33 - Step 5: Solve for x
x = 106,553,295,064,569.33/13,704,419.51 - Step 6: Final answer
x = 7,775,104.59
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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.