Finding the Fourth Proportional to 57,580,428.06, 86,370,642.09 and 19,241,942.18
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Solution
The fourth proportional to 57,580,428.06, 86,370,642.09 and 19,241,942.18 is: 28,862,913.26
Step by Step Solution
- Step 1: Write the proportion equation
57,580,428.06 : 86,370,642.09 = 19,241,942.18 : x - Step 2: Convert to fraction form
57,580,428.06/86,370,642.09 = 19,241,942.18/x - Step 3: Cross multiply
57,580,428.06x = 86,370,642.09 × 19,241,942.18 - Step 4: Simplify right side
57,580,428.06x = 1,661,938,900,713,401.25 - Step 5: Solve for x
x = 1,661,938,900,713,401.25/57,580,428.06 - Step 6: Final answer
x = 28,862,913.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.