Finding the Fourth Proportional to 49,610,257.48, 74,415,219.48 and 12,722,106.64
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Solution
The fourth proportional to 49,610,257.48, 74,415,219.48 and 12,722,106.64 is: 19,083,117.20
Step by Step Solution
- Step 1: Write the proportion equation
49,610,257.48 : 74,415,219.48 = 12,722,106.64 : x - Step 2: Convert to fraction form
49,610,257.48/74,415,219.48 = 12,722,106.64/x - Step 3: Cross multiply
49,610,257.48x = 74,415,219.48 × 12,722,106.64 - Step 4: Simplify right side
49,610,257.48x = 946,718,357,863,565.50 - Step 5: Solve for x
x = 946,718,357,863,565.50/49,610,257.48 - Step 6: Final answer
x = 19,083,117.20
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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.