Finding the Fourth Proportional to 47,555,216.92, 65,626,208.86 and 28,970,356.08
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Solution
The fourth proportional to 47,555,216.92, 65,626,208.86 and 28,970,356.08 is: 39,979,097.19
Step by Step Solution
- Step 1: Write the proportion equation
47,555,216.92 : 65,626,208.86 = 28,970,356.08 : x - Step 2: Convert to fraction form
47,555,216.92/65,626,208.86 = 28,970,356.08/x - Step 3: Cross multiply
47,555,216.92x = 65,626,208.86 × 28,970,356.08 - Step 4: Simplify right side
47,555,216.92x = 1,901,214,638,854,650.75 - Step 5: Solve for x
x = 1,901,214,638,854,650.75/47,555,216.92 - Step 6: Final answer
x = 39,979,097.19
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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.