Finding the Fourth Proportional to 10,408,984.77, 15,599,153.15 and 8,863,986.15
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Solution
The fourth proportional to 10,408,984.77, 15,599,153.15 and 8,863,986.15 is: 13,283,781.32
Step by Step Solution
- Step 1: Write the proportion equation
10,408,984.77 : 15,599,153.15 = 8,863,986.15 : x - Step 2: Convert to fraction form
10,408,984.77/15,599,153.15 = 8,863,986.15/x - Step 3: Cross multiply
10,408,984.77x = 15,599,153.15 × 8,863,986.15 - Step 4: Simplify right side
10,408,984.77x = 138,270,677,473,328.88 - Step 5: Solve for x
x = 138,270,677,473,328.88/10,408,984.77 - Step 6: Final answer
x = 13,283,781.32
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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.