Finding the Fourth Proportional to 22,810,849.24, 31,478,971.26 and 12,497,962.84
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Solution
The fourth proportional to 22,810,849.24, 31,478,971.26 and 12,497,962.84 is: 17,247,188.34
Step by Step Solution
- Step 1: Write the proportion equation
22,810,849.24 : 31,478,971.26 = 12,497,962.84 : x - Step 2: Convert to fraction form
22,810,849.24/31,478,971.26 = 12,497,962.84/x - Step 3: Cross multiply
22,810,849.24x = 31,478,971.26 × 12,497,962.84 - Step 4: Simplify right side
22,810,849.24x = 393,423,013,048,908 - Step 5: Solve for x
x = 393,423,013,048,908/22,810,849.24 - Step 6: Final answer
x = 17,247,188.34
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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.