Finding the Fourth Proportional to 14,073,499.13, 19,421,297.57 and 7,961,927.63
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Solution
The fourth proportional to 14,073,499.13, 19,421,297.57 and 7,961,927.63 is: 10,987,385.89
Step by Step Solution
- Step 1: Write the proportion equation
14,073,499.13 : 19,421,297.57 = 7,961,927.63 : x - Step 2: Convert to fraction form
14,073,499.13/19,421,297.57 = 7,961,927.63/x - Step 3: Cross multiply
14,073,499.13x = 19,421,297.57 × 7,961,927.63 - Step 4: Simplify right side
14,073,499.13x = 154,630,965,655,833.22 - Step 5: Solve for x
x = 154,630,965,655,833.22/14,073,499.13 - Step 6: Final answer
x = 10,987,385.89
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1.5x scale
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.