Finding the Fourth Proportional to 25,663,191.94, 38,495,279.99 and 8,391,457.86
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Solution
The fourth proportional to 25,663,191.94, 38,495,279.99 and 8,391,457.86 is: 12,587,347.69
Step by Step Solution
- Step 1: Write the proportion equation
25,663,191.94 : 38,495,279.99 = 8,391,457.86 : x - Step 2: Convert to fraction form
25,663,191.94/38,495,279.99 = 8,391,457.86/x - Step 3: Cross multiply
25,663,191.94x = 38,495,279.99 × 8,391,457.86 - Step 4: Simplify right side
25,663,191.94x = 323,031,519,844,986.19 - Step 5: Solve for x
x = 323,031,519,844,986.19/25,663,191.94 - Step 6: Final answer
x = 12,587,347.69
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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.