Finding the Fourth Proportional to 17,621,970.24, 26,435,477.68 and 7,784,990.08
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Solution
The fourth proportional to 17,621,970.24, 26,435,477.68 and 7,784,990.08 is: 11,678,599.42
Step by Step Solution
- Step 1: Write the proportion equation
17,621,970.24 : 26,435,477.68 = 7,784,990.08 : x - Step 2: Convert to fraction form
17,621,970.24/26,435,477.68 = 7,784,990.08/x - Step 3: Cross multiply
17,621,970.24x = 26,435,477.68 × 7,784,990.08 - Step 4: Simplify right side
17,621,970.24x = 205,799,931,498,861.41 - Step 5: Solve for x
x = 205,799,931,498,861.41/17,621,970.24 - Step 6: Final answer
x = 11,678,599.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.