Finding the Fourth Proportional to 18,536,606.60, 27,804,909.90 and 15,737,246.60
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Solution
The fourth proportional to 18,536,606.60, 27,804,909.90 and 15,737,246.60 is: 23,605,869.90
Step by Step Solution
- Step 1: Write the proportion equation
18,536,606.60 : 27,804,909.90 = 15,737,246.60 : x - Step 2: Convert to fraction form
18,536,606.60/27,804,909.90 = 15,737,246.60/x - Step 3: Cross multiply
18,536,606.60x = 27,804,909.90 × 15,737,246.60 - Step 4: Simplify right side
18,536,606.60x = 437,572,723,787,081.31 - Step 5: Solve for x
x = 437,572,723,787,081.31/18,536,606.60 - Step 6: Final answer
x = 23,605,869.90
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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.