Finding the Fourth Proportional to 26,378,033.81, 36,402,846.93 and 14,617,269.05
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Solution
The fourth proportional to 26,378,033.81, 36,402,846.93 and 14,617,269.05 is: 20,172,474.25
Step by Step Solution
- Step 1: Write the proportion equation
26,378,033.81 : 36,402,846.93 = 14,617,269.05 : x - Step 2: Convert to fraction form
26,378,033.81/36,402,846.93 = 14,617,269.05/x - Step 3: Cross multiply
26,378,033.81x = 36,402,846.93 × 14,617,269.05 - Step 4: Simplify right side
26,378,033.81x = 532,110,207,579,762.25 - Step 5: Solve for x
x = 532,110,207,579,762.25/26,378,033.81 - Step 6: Final answer
x = 20,172,474.25
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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.