Finding the Fourth Proportional to 11,851,775.21, 16,356,777.12 and 6,695,468.91
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Solution
The fourth proportional to 11,851,775.21, 16,356,777.12 and 6,695,468.91 is: 9,240,496.95
Step by Step Solution
- Step 1: Write the proportion equation
11,851,775.21 : 16,356,777.12 = 6,695,468.91 : x - Step 2: Convert to fraction form
11,851,775.21/16,356,777.12 = 6,695,468.91/x - Step 3: Cross multiply
11,851,775.21x = 16,356,777.12 × 6,695,468.91 - Step 4: Simplify right side
11,851,775.21x = 109,516,292,674,759.34 - Step 5: Solve for x
x = 109,516,292,674,759.34/11,851,775.21 - Step 6: Final answer
x = 9,240,496.95
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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.