Finding the Fourth Proportional to 16,639,886.70, 24,964,204.05 and 5,280,317.10
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Solution
The fourth proportional to 16,639,886.70, 24,964,204.05 and 5,280,317.10 is: 7,921,863.65
Step by Step Solution
- Step 1: Write the proportion equation
16,639,886.70 : 24,964,204.05 = 5,280,317.10 : x - Step 2: Convert to fraction form
16,639,886.70/24,964,204.05 = 5,280,317.10/x - Step 3: Cross multiply
16,639,886.70x = 24,964,204.05 × 5,280,317.10 - Step 4: Simplify right side
16,639,886.70x = 131,818,913,533,104.25 - Step 5: Solve for x
x = 131,818,913,533,104.25/16,639,886.70 - Step 6: Final answer
x = 7,921,863.65
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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.