Finding the Fourth Proportional to 18,924,425.24, 28,386,634.86 and 4,547,493.05
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Solution
The fourth proportional to 18,924,425.24, 28,386,634.86 and 4,547,493.05 is: 6,821,238.85
Step by Step Solution
- Step 1: Write the proportion equation
18,924,425.24 : 28,386,634.86 = 4,547,493.05 : x - Step 2: Convert to fraction form
18,924,425.24/28,386,634.86 = 4,547,493.05/x - Step 3: Cross multiply
18,924,425.24x = 28,386,634.86 × 4,547,493.05 - Step 4: Simplify right side
18,924,425.24x = 129,088,024,596,804.55 - Step 5: Solve for x
x = 129,088,024,596,804.55/18,924,425.24 - Step 6: Final answer
x = 6,821,238.85
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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.