Finding the Fourth Proportional to 19,722,224.19, 27,219,372.92 and 11,349,421.98
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Solution
The fourth proportional to 19,722,224.19, 27,219,372.92 and 11,349,421.98 is: 15,663,758.12
Step by Step Solution
- Step 1: Write the proportion equation
19,722,224.19 : 27,219,372.92 = 11,349,421.98 : x - Step 2: Convert to fraction form
19,722,224.19/27,219,372.92 = 11,349,421.98/x - Step 3: Cross multiply
19,722,224.19x = 27,219,372.92 × 11,349,421.98 - Step 4: Simplify right side
19,722,224.19x = 308,924,149,243,317.69 - Step 5: Solve for x
x = 308,924,149,243,317.69/19,722,224.19 - Step 6: Final answer
x = 15,663,758.12
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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.