Finding the Fourth Proportional to 14,441,408.13, 19,926,197.98 and 8,558,449.20
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Solution
The fourth proportional to 14,441,408.13, 19,926,197.98 and 8,558,449.20 is: 11,808,914.45
Step by Step Solution
- Step 1: Write the proportion equation
14,441,408.13 : 19,926,197.98 = 8,558,449.20 : x - Step 2: Convert to fraction form
14,441,408.13/19,926,197.98 = 8,558,449.20/x - Step 3: Cross multiply
14,441,408.13x = 19,926,197.98 × 8,558,449.20 - Step 4: Simplify right side
14,441,408.13x = 170,537,353,160,972.59 - Step 5: Solve for x
x = 170,537,353,160,972.59/14,441,408.13 - Step 6: Final answer
x = 11,808,914.45
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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.