Finding the Fourth Proportional to 36,648,768.22, 54,964,068.09 and 12,387,155.74
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Solution
The fourth proportional to 36,648,768.22, 54,964,068.09 and 12,387,155.74 is: 18,577,663.17
Step by Step Solution
- Step 1: Write the proportion equation
36,648,768.22 : 54,964,068.09 = 12,387,155.74 : x - Step 2: Convert to fraction form
36,648,768.22/54,964,068.09 = 12,387,155.74/x - Step 3: Cross multiply
36,648,768.22x = 54,964,068.09 × 12,387,155.74 - Step 4: Simplify right side
36,648,768.22x = 680,848,471,534,794.38 - Step 5: Solve for x
x = 680,848,471,534,794.38/36,648,768.22 - Step 6: Final answer
x = 18,577,663.17
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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.