Finding the Fourth Proportional to 14,410,871.07, 19,885,038.05 and 8,608,421.09
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Solution
The fourth proportional to 14,410,871.07, 19,885,038.05 and 8,608,421.09 is: 11,878,447.87
Step by Step Solution
- Step 1: Write the proportion equation
14,410,871.07 : 19,885,038.05 = 8,608,421.09 : x - Step 2: Convert to fraction form
14,410,871.07/19,885,038.05 = 8,608,421.09/x - Step 3: Cross multiply
14,410,871.07x = 19,885,038.05 × 8,608,421.09 - Step 4: Simplify right side
14,410,871.07x = 171,178,780,782,605.22 - Step 5: Solve for x
x = 171,178,780,782,605.22/14,410,871.07 - Step 6: Final answer
x = 11,878,447.87
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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.