Finding the Fourth Proportional to 16,166,448.14, 22,306,368.06 and 9,289,601.60
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Solution
The fourth proportional to 16,166,448.14, 22,306,368.06 and 9,289,601.60 is: 12,817,736.50
Step by Step Solution
- Step 1: Write the proportion equation
16,166,448.14 : 22,306,368.06 = 9,289,601.60 : x - Step 2: Convert to fraction form
16,166,448.14/22,306,368.06 = 9,289,601.60/x - Step 3: Cross multiply
16,166,448.14x = 22,306,368.06 × 9,289,601.60 - Step 4: Simplify right side
16,166,448.14x = 207,217,272,420,364.88 - Step 5: Solve for x
x = 207,217,272,420,364.88/16,166,448.14 - Step 6: Final answer
x = 12,817,736.50
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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.