Finding the Fourth Proportional to 19,695,532.72, 27,184,370.12 and 11,549,395.12
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Solution
The fourth proportional to 19,695,532.72, 27,184,370.12 and 11,549,395.12 is: 15,940,824.55
Step by Step Solution
- Step 1: Write the proportion equation
19,695,532.72 : 27,184,370.12 = 11,549,395.12 : x - Step 2: Convert to fraction form
19,695,532.72/27,184,370.12 = 11,549,395.12/x - Step 3: Cross multiply
19,695,532.72x = 27,184,370.12 × 11,549,395.12 - Step 4: Simplify right side
19,695,532.72x = 313,963,031,604,201.81 - Step 5: Solve for x
x = 313,963,031,604,201.81/19,695,532.72 - Step 6: Final answer
x = 15,940,824.55
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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.