Finding the Fourth Proportional to 26,260,791.98, 36,245,939.55 and 15,399,275.18
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Solution
The fourth proportional to 26,260,791.98, 36,245,939.55 and 15,399,275.18 is: 21,254,545.47
Step by Step Solution
- Step 1: Write the proportion equation
26,260,791.98 : 36,245,939.55 = 15,399,275.18 : x - Step 2: Convert to fraction form
26,260,791.98/36,245,939.55 = 15,399,275.18/x - Step 3: Cross multiply
26,260,791.98x = 36,245,939.55 × 15,399,275.18 - Step 4: Simplify right side
26,260,791.98x = 558,161,197,288,095.31 - Step 5: Solve for x
x = 558,161,197,288,095.31/26,260,791.98 - Step 6: Final answer
x = 21,254,545.47
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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.