Finding the Fourth Proportional to 25,563,781.98, 35,278,889.65 and 15,118,751.99
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Solution
The fourth proportional to 25,563,781.98, 35,278,889.65 and 15,118,751.99 is: 20,864,392.58
Step by Step Solution
- Step 1: Write the proportion equation
25,563,781.98 : 35,278,889.65 = 15,118,751.99 : x - Step 2: Convert to fraction form
25,563,781.98/35,278,889.65 = 15,118,751.99/x - Step 3: Cross multiply
25,563,781.98x = 35,278,889.65 × 15,118,751.99 - Step 4: Simplify right side
25,563,781.98x = 533,372,783,151,328.25 - Step 5: Solve for x
x = 533,372,783,151,328.25/25,563,781.98 - Step 6: Final answer
x = 20,864,392.58
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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.