Finding the Fourth Proportional to 11,528,980.64, 15,910,331.63 and 6,302,277.62
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Solution
The fourth proportional to 11,528,980.64, 15,910,331.63 and 6,302,277.62 is: 8,697,328.07
Step by Step Solution
- Step 1: Write the proportion equation
11,528,980.64 : 15,910,331.63 = 6,302,277.62 : x - Step 2: Convert to fraction form
11,528,980.64/15,910,331.63 = 6,302,277.62/x - Step 3: Cross multiply
11,528,980.64x = 15,910,331.63 × 6,302,277.62 - Step 4: Simplify right side
11,528,980.64x = 100,271,326,847,464.08 - Step 5: Solve for x
x = 100,271,326,847,464.08/11,528,980.64 - Step 6: Final answer
x = 8,697,328.07
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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.