Finding the Fourth Proportional to 9,970,101.99, 13,758,778.35 and 6,300,649.29
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Solution
The fourth proportional to 9,970,101.99, 13,758,778.35 and 6,300,649.29 is: 8,694,919.78
Step by Step Solution
- Step 1: Write the proportion equation
9,970,101.99 : 13,758,778.35 = 6,300,649.29 : x - Step 2: Convert to fraction form
9,970,101.99/13,758,778.35 = 6,300,649.29/x - Step 3: Cross multiply
9,970,101.99x = 13,758,778.35 × 6,300,649.29 - Step 4: Simplify right side
9,970,101.99x = 86,689,237,042,194.88 - Step 5: Solve for x
x = 86,689,237,042,194.88/9,970,101.99 - Step 6: Final answer
x = 8,694,919.78
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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.