Finding the Fourth Proportional to 22,723,349.24, 31,358,995.78 and 13,438,878.14
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Solution
The fourth proportional to 22,723,349.24, 31,358,995.78 and 13,438,878.14 is: 18,546,109.49
Step by Step Solution
- Step 1: Write the proportion equation
22,723,349.24 : 31,358,995.78 = 13,438,878.14 : x - Step 2: Convert to fraction form
22,723,349.24/31,358,995.78 = 13,438,878.14/x - Step 3: Cross multiply
22,723,349.24x = 31,358,995.78 × 13,438,878.14 - Step 4: Simplify right side
22,723,349.24x = 421,429,722,880,194.31 - Step 5: Solve for x
x = 421,429,722,880,194.31/22,723,349.24 - Step 6: Final answer
x = 18,546,109.49
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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.