Finding the Fourth Proportional to 14,667,070.70, 21,991,858.05 and 8,991,368.30
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Solution
The fourth proportional to 14,667,070.70, 21,991,858.05 and 8,991,368.30 is: 13,481,689.66
Step by Step Solution
- Step 1: Write the proportion equation
14,667,070.70 : 21,991,858.05 = 8,991,368.30 : x - Step 2: Convert to fraction form
14,667,070.70/21,991,858.05 = 8,991,368.30/x - Step 3: Cross multiply
14,667,070.70x = 21,991,858.05 × 8,991,368.30 - Step 4: Simplify right side
14,667,070.70x = 197,736,895,328,869.84 - Step 5: Solve for x
x = 197,736,895,328,869.84/14,667,070.70 - Step 6: Final answer
x = 13,481,689.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.