Finding the Fourth Proportional to 26,879,806.05, 40,319,593.64 and 7,448,976.26
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Solution
The fourth proportional to 26,879,806.05, 40,319,593.64 and 7,448,976.26 is: 11,173,432.40
Step by Step Solution
- Step 1: Write the proportion equation
26,879,806.05 : 40,319,593.64 = 7,448,976.26 : x - Step 2: Convert to fraction form
26,879,806.05/40,319,593.64 = 7,448,976.26/x - Step 3: Cross multiply
26,879,806.05x = 40,319,593.64 × 7,448,976.26 - Step 4: Simplify right side
26,879,806.05x = 300,339,695,837,207 - Step 5: Solve for x
x = 300,339,695,837,207/26,879,806.05 - Step 6: Final answer
x = 11,173,432.40
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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.