Finding the Fourth Proportional to 11,630,002.28, 16,049,403.87 and 6,473,253.20
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Solution
The fourth proportional to 11,630,002.28, 16,049,403.87 and 6,473,253.20 is: 8,933,089.82
Step by Step Solution
- Step 1: Write the proportion equation
11,630,002.28 : 16,049,403.87 = 6,473,253.20 : x - Step 2: Convert to fraction form
11,630,002.28/16,049,403.87 = 6,473,253.20/x - Step 3: Cross multiply
11,630,002.28x = 16,049,403.87 × 6,473,253.20 - Step 4: Simplify right side
11,630,002.28x = 103,891,854,959,569.88 - Step 5: Solve for x
x = 103,891,854,959,569.88/11,630,002.28 - Step 6: Final answer
x = 8,933,089.82
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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.