Finding the Fourth Proportional to 16,318,402.12, 22,502,296.74 and 12,181,798.28
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Solution
The fourth proportional to 16,318,402.12, 22,502,296.74 and 12,181,798.28 is: 16,798,117.71
Step by Step Solution
- Step 1: Write the proportion equation
16,318,402.12 : 22,502,296.74 = 12,181,798.28 : x - Step 2: Convert to fraction form
16,318,402.12/22,502,296.74 = 12,181,798.28/x - Step 3: Cross multiply
16,318,402.12x = 22,502,296.74 × 12,181,798.28 - Step 4: Simplify right side
16,318,402.12x = 274,118,439,723,381.56 - Step 5: Solve for x
x = 274,118,439,723,381.56/16,318,402.12 - Step 6: Final answer
x = 16,798,117.71
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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.