Finding the Fourth Proportional to 16,490,296.14, 22,756,635.51 and 9,148,129.38
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Solution
The fourth proportional to 16,490,296.14, 22,756,635.51 and 9,148,129.38 is: 12,624,433.43
Step by Step Solution
- Step 1: Write the proportion equation
16,490,296.14 : 22,756,635.51 = 9,148,129.38 : x - Step 2: Convert to fraction form
16,490,296.14/22,756,635.51 = 9,148,129.38/x - Step 3: Cross multiply
16,490,296.14x = 22,756,635.51 × 9,148,129.38 - Step 4: Simplify right side
16,490,296.14x = 208,180,645,898,982.31 - Step 5: Solve for x
x = 208,180,645,898,982.31/16,490,296.14 - Step 6: Final answer
x = 12,624,433.43
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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.