Finding the Fourth Proportional to 26,615,704.94, 39,937,623.34 and 18,884,582.82
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Solution
The fourth proportional to 26,615,704.94, 39,937,623.34 and 18,884,582.82 is: 28,336,854.39
Step by Step Solution
- Step 1: Write the proportion equation
26,615,704.94 : 39,937,623.34 = 18,884,582.82 : x - Step 2: Convert to fraction form
26,615,704.94/39,937,623.34 = 18,884,582.82/x - Step 3: Cross multiply
26,615,704.94x = 39,937,623.34 × 18,884,582.82 - Step 4: Simplify right side
26,615,704.94x = 754,205,355,550,983.50 - Step 5: Solve for x
x = 754,205,355,550,983.50/26,615,704.94 - Step 6: Final answer
x = 28,336,854.39
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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.