Finding the Fourth Proportional to 15,774,048.24, 21,769,194.60 and 8,896,020.72
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Solution
The fourth proportional to 15,774,048.24, 21,769,194.60 and 8,896,020.72 is: 12,277,077.09
Step by Step Solution
- Step 1: Write the proportion equation
15,774,048.24 : 21,769,194.60 = 8,896,020.72 : x - Step 2: Convert to fraction form
15,774,048.24/21,769,194.60 = 8,896,020.72/x - Step 3: Cross multiply
15,774,048.24x = 21,769,194.60 × 8,896,020.72 - Step 4: Simplify right side
15,774,048.24x = 193,659,206,219,312.12 - Step 5: Solve for x
x = 193,659,206,219,312.12/15,774,048.24 - Step 6: Final answer
x = 12,277,077.09
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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.