Finding the Fourth Proportional to 14,240,487.21, 19,647,038.19 and 8,044,628.73
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Solution
The fourth proportional to 14,240,487.21, 19,647,038.19 and 8,044,628.73 is: 11,098,856.77
Step by Step Solution
- Step 1: Write the proportion equation
14,240,487.21 : 19,647,038.19 = 8,044,628.73 : x - Step 2: Convert to fraction form
14,240,487.21/19,647,038.19 = 8,044,628.73/x - Step 3: Cross multiply
14,240,487.21x = 19,647,038.19 × 8,044,628.73 - Step 4: Simplify right side
14,240,487.21x = 158,053,127,882,681.22 - Step 5: Solve for x
x = 158,053,127,882,681.22/14,240,487.21 - Step 6: Final answer
x = 11,098,856.77
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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.