Finding the Fourth Proportional to 12,708,432.08, 17,537,813.88 and 6,907,212.08
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Solution
The fourth proportional to 12,708,432.08, 17,537,813.88 and 6,907,212.08 is: 9,532,049.20
Step by Step Solution
- Step 1: Write the proportion equation
12,708,432.08 : 17,537,813.88 = 6,907,212.08 : x - Step 2: Convert to fraction form
12,708,432.08/17,537,813.88 = 6,907,212.08/x - Step 3: Cross multiply
12,708,432.08x = 17,537,813.88 × 6,907,212.08 - Step 4: Simplify right side
12,708,432.08x = 121,137,399,888,727.67 - Step 5: Solve for x
x = 121,137,399,888,727.67/12,708,432.08 - Step 6: Final answer
x = 9,532,049.20
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1.5x scale
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.