Finding the Fourth Proportional to 10,368,823.35, 15,553,235.03 and 8,227,312.95
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Solution
The fourth proportional to 10,368,823.35, 15,553,235.03 and 8,227,312.95 is: 12,340,969.43
Step by Step Solution
- Step 1: Write the proportion equation
10,368,823.35 : 15,553,235.03 = 8,227,312.95 : x - Step 2: Convert to fraction form
10,368,823.35/15,553,235.03 = 8,227,312.95/x - Step 3: Cross multiply
10,368,823.35x = 15,553,235.03 × 8,227,312.95 - Step 4: Simplify right side
10,368,823.35x = 127,961,331,935,576.08 - Step 5: Solve for x
x = 127,961,331,935,576.08/10,368,823.35 - Step 6: Final answer
x = 12,340,969.43
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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.