Finding the Fourth Proportional to 9,975,985.56, 13,767,013.26 and 5,845,028.09
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Solution
The fourth proportional to 9,975,985.56, 13,767,013.26 and 5,845,028.09 is: 8,066,228.52
Step by Step Solution
- Step 1: Write the proportion equation
9,975,985.56 : 13,767,013.26 = 5,845,028.09 : x - Step 2: Convert to fraction form
9,975,985.56/13,767,013.26 = 5,845,028.09/x - Step 3: Cross multiply
9,975,985.56x = 13,767,013.26 × 5,845,028.09 - Step 4: Simplify right side
9,975,985.56x = 80,468,579,220,102.47 - Step 5: Solve for x
x = 80,468,579,220,102.47/9,975,985.56 - Step 6: Final answer
x = 8,066,228.52
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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.