Finding the Fourth Proportional to 12,502,653.24, 18,753,874.55 and 9,772,497.11
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Solution
The fourth proportional to 12,502,653.24, 18,753,874.55 and 9,772,497.11 is: 14,658,663.35
Step by Step Solution
- Step 1: Write the proportion equation
12,502,653.24 : 18,753,874.55 = 9,772,497.11 : x - Step 2: Convert to fraction form
12,502,653.24/18,753,874.55 = 9,772,497.11/x - Step 3: Cross multiply
12,502,653.24x = 18,753,874.55 × 9,772,497.11 - Step 4: Simplify right side
12,502,653.24x = 183,272,184,875,846.62 - Step 5: Solve for x
x = 183,272,184,875,846.62/12,502,653.24 - Step 6: Final answer
x = 14,658,663.35
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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.