Finding the Fourth Proportional to 16,128,809.70, 24,193,214.55 and 13,292,124.90
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Solution
The fourth proportional to 16,128,809.70, 24,193,214.55 and 13,292,124.90 is: 19,938,187.35
Step by Step Solution
- Step 1: Write the proportion equation
16,128,809.70 : 24,193,214.55 = 13,292,124.90 : x - Step 2: Convert to fraction form
16,128,809.70/24,193,214.55 = 13,292,124.90/x - Step 3: Cross multiply
16,128,809.70x = 24,193,214.55 × 13,292,124.90 - Step 4: Simplify right side
16,128,809.70x = 321,579,229,531,097.31 - Step 5: Solve for x
x = 321,579,229,531,097.31/16,128,809.70 - Step 6: Final answer
x = 19,938,187.35
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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.