Finding the Fourth Proportional to 18,932,895.04, 28,399,341.14 and 4,555,964.36
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Solution
The fourth proportional to 18,932,895.04, 28,399,341.14 and 4,555,964.36 is: 6,833,946.20
Step by Step Solution
- Step 1: Write the proportion equation
18,932,895.04 : 28,399,341.14 = 4,555,964.36 : x - Step 2: Convert to fraction form
18,932,895.04/28,399,341.14 = 4,555,964.36/x - Step 3: Cross multiply
18,932,895.04x = 28,399,341.14 × 4,555,964.36 - Step 4: Simplify right side
18,932,895.04x = 129,386,386,081,321.78 - Step 5: Solve for x
x = 129,386,386,081,321.78/18,932,895.04 - Step 6: Final answer
x = 6,833,946.20
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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.