Finding the Fourth Proportional to 26,089,138.71, 36,006,332.92 and 15,775,935.62
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Solution
The fourth proportional to 26,089,138.71, 36,006,332.92 and 15,775,935.62 is: 21,772,799.64
Step by Step Solution
- Step 1: Write the proportion equation
26,089,138.71 : 36,006,332.92 = 15,775,935.62 : x - Step 2: Convert to fraction form
26,089,138.71/36,006,332.92 = 15,775,935.62/x - Step 3: Cross multiply
26,089,138.71x = 36,006,332.92 × 15,775,935.62 - Step 4: Simplify right side
26,089,138.71x = 568,033,589,838,735.12 - Step 5: Solve for x
x = 568,033,589,838,735.12/26,089,138.71 - Step 6: Final answer
x = 21,772,799.64
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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.