Finding the Fourth Proportional to 57,580,747.63, 86,371,121.75 and 19,242,261.79
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Solution
The fourth proportional to 57,580,747.63, 86,371,121.75 and 19,242,261.79 is: 28,863,392.78
Step by Step Solution
- Step 1: Write the proportion equation
57,580,747.63 : 86,371,121.75 = 19,242,261.79 : x - Step 2: Convert to fraction form
57,580,747.63/86,371,121.75 = 19,242,261.79/x - Step 3: Cross multiply
57,580,747.63x = 86,371,121.75 × 19,242,261.79 - Step 4: Simplify right side
57,580,747.63x = 1,661,975,735,497,324 - Step 5: Solve for x
x = 1,661,975,735,497,324/57,580,747.63 - Step 6: Final answer
x = 28,863,392.78
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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.