Finding the Fourth Proportional to 38,811,117.19, 53,558,403.36 and 21,407,088.79
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Solution
The fourth proportional to 38,811,117.19, 53,558,403.36 and 21,407,088.79 is: 29,541,264.96
Step by Step Solution
- Step 1: Write the proportion equation
38,811,117.19 : 53,558,403.36 = 21,407,088.79 : x - Step 2: Convert to fraction form
38,811,117.19/53,558,403.36 = 21,407,088.79/x - Step 3: Cross multiply
38,811,117.19x = 53,558,403.36 × 21,407,088.79 - Step 4: Simplify right side
38,811,117.19x = 1,146,529,496,178,154.25 - Step 5: Solve for x
x = 1,146,529,496,178,154.25/38,811,117.19 - Step 6: Final answer
x = 29,541,264.96
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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.