Finding the Fourth Proportional to 26,260,756.98, 36,245,891.34 and 15,399,240.18
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Solution
The fourth proportional to 26,260,756.98, 36,245,891.34 and 15,399,240.18 is: 21,254,497.22
Step by Step Solution
- Step 1: Write the proportion equation
26,260,756.98 : 36,245,891.34 = 15,399,240.18 : x - Step 2: Convert to fraction form
26,260,756.98/36,245,891.34 = 15,399,240.18/x - Step 3: Cross multiply
26,260,756.98x = 36,245,891.34 × 15,399,240.18 - Step 4: Simplify right side
26,260,756.98x = 558,159,186,282,842.06 - Step 5: Solve for x
x = 558,159,186,282,842.06/26,260,756.98 - Step 6: Final answer
x = 21,254,497.22
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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.