Finding the Fourth Proportional to 38,638,353.24, 57,959,515.20 and 9,884,738.28
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Solution
The fourth proportional to 38,638,353.24, 57,959,515.20 and 9,884,738.28 is: 14,827,615.32
Step by Step Solution
- Step 1: Write the proportion equation
38,638,353.24 : 57,959,515.20 = 9,884,738.28 : x - Step 2: Convert to fraction form
38,638,353.24/57,959,515.20 = 9,884,738.28/x - Step 3: Cross multiply
38,638,353.24x = 57,959,515.20 × 9,884,738.28 - Step 4: Simplify right side
38,638,353.24x = 572,914,638,587,681.88 - Step 5: Solve for x
x = 572,914,638,587,681.88/38,638,353.24 - Step 6: Final answer
x = 14,827,615.32
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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.