Finding the Fourth Proportional to 19,055,872.99, 28,583,752.91 and 5,409,030.92
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Solution
The fourth proportional to 19,055,872.99, 28,583,752.91 and 5,409,030.92 is: 8,113,530.32
Step by Step Solution
- Step 1: Write the proportion equation
19,055,872.99 : 28,583,752.91 = 5,409,030.92 : x - Step 2: Convert to fraction form
19,055,872.99/28,583,752.91 = 5,409,030.92/x - Step 3: Cross multiply
19,055,872.99x = 28,583,752.91 × 5,409,030.92 - Step 4: Simplify right side
19,055,872.99x = 154,610,403,160,291.84 - Step 5: Solve for x
x = 154,610,403,160,291.84/19,055,872.99 - Step 6: Final answer
x = 8,113,530.32
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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.