Finding the Fourth Proportional to 8,788,607.95, 12,128,375.98 and 4,868,424.12
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Solution
The fourth proportional to 8,788,607.95, 12,128,375.98 and 4,868,424.12 is: 6,718,479.02
Step by Step Solution
- Step 1: Write the proportion equation
8,788,607.95 : 12,128,375.98 = 4,868,424.12 : x - Step 2: Convert to fraction form
8,788,607.95/12,128,375.98 = 4,868,424.12/x - Step 3: Cross multiply
8,788,607.95x = 12,128,375.98 × 4,868,424.12 - Step 4: Simplify right side
8,788,607.95x = 59,046,078,157,460.64 - Step 5: Solve for x
x = 59,046,078,157,460.64/8,788,607.95 - Step 6: Final answer
x = 6,718,479.02
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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.