Finding the Fourth Proportional to 45,886,587.99, 68,829,575.81 and 18,592,478.07
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Solution
The fourth proportional to 45,886,587.99, 68,829,575.81 and 18,592,478.07 is: 27,888,593.05
Step by Step Solution
- Step 1: Write the proportion equation
45,886,587.99 : 68,829,575.81 = 18,592,478.07 : x - Step 2: Convert to fraction form
45,886,587.99/68,829,575.81 = 18,592,478.07/x - Step 3: Cross multiply
45,886,587.99x = 68,829,575.81 × 18,592,478.07 - Step 4: Simplify right side
45,886,587.99x = 1,279,712,378,721,865.25 - Step 5: Solve for x
x = 1,279,712,378,721,865.25/45,886,587.99 - Step 6: Final answer
x = 27,888,593.05
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.