Finding the Fourth Proportional to 16,107,461.28, 22,228,299.72 and 8,864,117.28
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Solution
The fourth proportional to 16,107,461.28, 22,228,299.72 and 8,864,117.28 is: 12,232,483.58
Step by Step Solution
- Step 1: Write the proportion equation
16,107,461.28 : 22,228,299.72 = 8,864,117.28 : x - Step 2: Convert to fraction form
16,107,461.28/22,228,299.72 = 8,864,117.28/x - Step 3: Cross multiply
16,107,461.28x = 22,228,299.72 × 8,864,117.28 - Step 4: Simplify right side
16,107,461.28x = 197,034,255,653,071.12 - Step 5: Solve for x
x = 197,034,255,653,071.12/16,107,461.28 - Step 6: Final answer
x = 12,232,483.58
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.