Finding the Fourth Proportional to 38,638,326.24, 57,959,474.64 and 9,884,711.28
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Solution
The fourth proportional to 38,638,326.24, 57,959,474.64 and 9,884,711.28 is: 14,827,574.81
Step by Step Solution
- Step 1: Write the proportion equation
38,638,326.24 : 57,959,474.64 = 9,884,711.28 : x - Step 2: Convert to fraction form
38,638,326.24/57,959,474.64 = 9,884,711.28/x - Step 3: Cross multiply
38,638,326.24x = 57,959,474.64 × 9,884,711.28 - Step 4: Simplify right side
38,638,326.24x = 572,912,672,756,881.88 - Step 5: Solve for x
x = 572,912,672,756,881.88/38,638,326.24 - Step 6: Final answer
x = 14,827,574.81
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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.