Finding the Fourth Proportional to 38,392,473.10, 57,628,556.80 and 22,249,963.66
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Solution
The fourth proportional to 38,392,473.10, 57,628,556.80 and 22,249,963.66 is: 33,398,038.50
Step by Step Solution
- Step 1: Write the proportion equation
38,392,473.10 : 57,628,556.80 = 22,249,963.66 : x - Step 2: Convert to fraction form
38,392,473.10/57,628,556.80 = 22,249,963.66/x - Step 3: Cross multiply
38,392,473.10x = 57,628,556.80 × 22,249,963.66 - Step 4: Simplify right side
38,392,473.10x = 1,282,233,294,578,245.75 - Step 5: Solve for x
x = 1,282,233,294,578,245.75/38,392,473.10 - Step 6: Final answer
x = 33,398,038.50
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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.