Finding the Fourth Proportional to 16,166,448.57, 22,306,368.71 and 9,289,602.03
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Solution
The fourth proportional to 16,166,448.57, 22,306,368.71 and 9,289,602.03 is: 12,817,737.12
Step by Step Solution
- Step 1: Write the proportion equation
16,166,448.57 : 22,306,368.71 = 9,289,602.03 : x - Step 2: Convert to fraction form
16,166,448.57/22,306,368.71 = 9,289,602.03/x - Step 3: Cross multiply
16,166,448.57x = 22,306,368.71 × 9,289,602.03 - Step 4: Simplify right side
16,166,448.57x = 207,217,288,003,896.44 - Step 5: Solve for x
x = 207,217,288,003,896.44/16,166,448.57 - Step 6: Final answer
x = 12,817,737.12
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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.