Finding the Fourth Proportional to 19,184,475.20, 28,725,146.45 and 14,613,750.45
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Solution
The fourth proportional to 19,184,475.20, 28,725,146.45 and 14,613,750.45 is: 21,881,345.07
Step by Step Solution
- Step 1: Write the proportion equation
19,184,475.20 : 28,725,146.45 = 14,613,750.45 : x - Step 2: Convert to fraction form
19,184,475.20/28,725,146.45 = 14,613,750.45/x - Step 3: Cross multiply
19,184,475.20x = 28,725,146.45 × 14,613,750.45 - Step 4: Simplify right side
19,184,475.20x = 419,782,121,860,003.38 - Step 5: Solve for x
x = 419,782,121,860,003.38/19,184,475.20 - Step 6: Final answer
x = 21,881,345.07
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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.