Finding the Fourth Proportional to 27,931,636.08, 38,539,880.94 and 16,326,954.81
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Solution
The fourth proportional to 27,931,636.08, 38,539,880.94 and 16,326,954.81 is: 22,527,820.88
Step by Step Solution
- Step 1: Write the proportion equation
27,931,636.08 : 38,539,880.94 = 16,326,954.81 : x - Step 2: Convert to fraction form
27,931,636.08/38,539,880.94 = 16,326,954.81/x - Step 3: Cross multiply
27,931,636.08x = 38,539,880.94 × 16,326,954.81 - Step 4: Simplify right side
27,931,636.08x = 629,238,894,490,160.25 - Step 5: Solve for x
x = 629,238,894,490,160.25/27,931,636.08 - Step 6: Final answer
x = 22,527,820.88
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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.