Finding the Fourth Proportional to 16,931,991.64, 25,397,938.86 and 6,149,248.96
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Solution
The fourth proportional to 16,931,991.64, 25,397,938.86 and 6,149,248.96 is: 9,223,855.79
Step by Step Solution
- Step 1: Write the proportion equation
16,931,991.64 : 25,397,938.86 = 6,149,248.96 : x - Step 2: Convert to fraction form
16,931,991.64/25,397,938.86 = 6,149,248.96/x - Step 3: Cross multiply
16,931,991.64x = 25,397,938.86 × 6,149,248.96 - Step 4: Simplify right side
16,931,991.64x = 156,178,249,120,998.59 - Step 5: Solve for x
x = 156,178,249,120,998.59/16,931,991.64 - Step 6: Final answer
x = 9,223,855.79
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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.