Finding the Fourth Proportional to 12,299,511.18, 16,973,225.86 and 6,793,263.46
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Solution
The fourth proportional to 12,299,511.18, 16,973,225.86 and 6,793,263.46 is: 9,374,648.58
Step by Step Solution
- Step 1: Write the proportion equation
12,299,511.18 : 16,973,225.86 = 6,793,263.46 : x - Step 2: Convert to fraction form
12,299,511.18/16,973,225.86 = 6,793,263.46/x - Step 3: Cross multiply
12,299,511.18x = 16,973,225.86 × 6,793,263.46 - Step 4: Simplify right side
12,299,511.18x = 115,303,595,033,065.08 - Step 5: Solve for x
x = 115,303,595,033,065.08/12,299,511.18 - Step 6: Final answer
x = 9,374,648.58
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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.