Finding the Fourth Proportional to 8,736,509.40, 13,102,431.30 and 2,671,229.40
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Solution
The fourth proportional to 8,736,509.40, 13,102,431.30 and 2,671,229.40 is: 4,006,130.84
Step by Step Solution
- Step 1: Write the proportion equation
8,736,509.40 : 13,102,431.30 = 2,671,229.40 : x - Step 2: Convert to fraction form
8,736,509.40/13,102,431.30 = 2,671,229.40/x - Step 3: Cross multiply
8,736,509.40x = 13,102,431.30 × 2,671,229.40 - Step 4: Simplify right side
8,736,509.40x = 34,999,599,700,040.22 - Step 5: Solve for x
x = 34,999,599,700,040.22/8,736,509.40 - Step 6: Final answer
x = 4,006,130.84
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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.