Finding the Fourth Proportional to 22,916,487.96, 31,624,122.24 and 12,603,214.80
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Solution
The fourth proportional to 22,916,487.96, 31,624,122.24 and 12,603,214.80 is: 17,392,089.32
Step by Step Solution
- Step 1: Write the proportion equation
22,916,487.96 : 31,624,122.24 = 12,603,214.80 : x - Step 2: Convert to fraction form
22,916,487.96/31,624,122.24 = 12,603,214.80/x - Step 3: Cross multiply
22,916,487.96x = 31,624,122.24 × 12,603,214.80 - Step 4: Simplify right side
22,916,487.96x = 398,565,605,452,177.12 - Step 5: Solve for x
x = 398,565,605,452,177.12/22,916,487.96 - Step 6: Final answer
x = 17,392,089.32
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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.