Finding the Fourth Proportional to 19,250,319.19, 26,565,440.48 and 11,101,557.19
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Solution
The fourth proportional to 19,250,319.19, 26,565,440.48 and 11,101,557.19 is: 15,320,148.92
Step by Step Solution
- Step 1: Write the proportion equation
19,250,319.19 : 26,565,440.48 = 11,101,557.19 : x - Step 2: Convert to fraction form
19,250,319.19/26,565,440.48 = 11,101,557.19/x - Step 3: Cross multiply
19,250,319.19x = 26,565,440.48 × 11,101,557.19 - Step 4: Simplify right side
19,250,319.19x = 294,917,756,766,261.06 - Step 5: Solve for x
x = 294,917,756,766,261.06/19,250,319.19 - Step 6: Final answer
x = 15,320,148.92
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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.