Finding the Fourth Proportional to 19,695,537.80, 27,184,377.14 and 11,549,400.20
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Solution
The fourth proportional to 19,695,537.80, 27,184,377.14 and 11,549,400.20 is: 15,940,831.57
Step by Step Solution
- Step 1: Write the proportion equation
19,695,537.80 : 27,184,377.14 = 11,549,400.20 : x - Step 2: Convert to fraction form
19,695,537.80/27,184,377.14 = 11,549,400.20/x - Step 3: Cross multiply
19,695,537.80x = 27,184,377.14 × 11,549,400.20 - Step 4: Simplify right side
19,695,537.80x = 313,963,250,777,591.44 - Step 5: Solve for x
x = 313,963,250,777,591.44/19,695,537.80 - Step 6: Final answer
x = 15,940,831.57
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1.5x scale
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.