Finding the Fourth Proportional to 14,221,007.42, 19,624,977.54 and 8,027,357.84
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Solution
The fourth proportional to 14,221,007.42, 19,624,977.54 and 8,027,357.84 is: 11,077,746.65
Step by Step Solution
- Step 1: Write the proportion equation
14,221,007.42 : 19,624,977.54 = 8,027,357.84 : x - Step 2: Convert to fraction form
14,221,007.42/19,624,977.54 = 8,027,357.84/x - Step 3: Cross multiply
14,221,007.42x = 19,624,977.54 × 8,027,357.84 - Step 4: Simplify right side
14,221,007.42x = 157,536,717,315,542.91 - Step 5: Solve for x
x = 157,536,717,315,542.91/14,221,007.42 - Step 6: Final answer
x = 11,077,746.65
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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.