Finding the Fourth Proportional to 26,279,669.18, 36,264,845.75 and 15,115,313.17
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Solution
The fourth proportional to 26,279,669.18, 36,264,845.75 and 15,115,313.17 is: 20,858,500.80
Step by Step Solution
- Step 1: Write the proportion equation
26,279,669.18 : 36,264,845.75 = 15,115,313.17 : x - Step 2: Convert to fraction form
26,279,669.18/36,264,845.75 = 15,115,313.17/x - Step 3: Cross multiply
26,279,669.18x = 36,264,845.75 × 15,115,313.17 - Step 4: Simplify right side
26,279,669.18x = 548,154,500,542,748 - Step 5: Solve for x
x = 548,154,500,542,748/26,279,669.18 - Step 6: Final answer
x = 20,858,500.80
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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.