Finding the Fourth Proportional to 14,221,005.42, 19,624,974.78 and 8,027,355.84
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Solution
The fourth proportional to 14,221,005.42, 19,624,974.78 and 8,027,355.84 is: 11,077,743.89
Step by Step Solution
- Step 1: Write the proportion equation
14,221,005.42 : 19,624,974.78 = 8,027,355.84 : x - Step 2: Convert to fraction form
14,221,005.42/19,624,974.78 = 8,027,355.84/x - Step 3: Cross multiply
14,221,005.42x = 19,624,974.78 × 8,027,355.84 - Step 4: Simplify right side
14,221,005.42x = 157,536,655,910,085.72 - Step 5: Solve for x
x = 157,536,655,910,085.72/14,221,005.42 - Step 6: Final answer
x = 11,077,743.89
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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.