Finding the Fourth Proportional to 19,055,871.29, 28,583,750.39 and 5,409,029.23
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Solution
The fourth proportional to 19,055,871.29, 28,583,750.39 and 5,409,029.23 is: 8,113,527.79
Step by Step Solution
- Step 1: Write the proportion equation
19,055,871.29 : 28,583,750.39 = 5,409,029.23 : x - Step 2: Convert to fraction form
19,055,871.29/28,583,750.39 = 5,409,029.23/x - Step 3: Cross multiply
19,055,871.29x = 28,583,750.39 × 5,409,029.23 - Step 4: Simplify right side
19,055,871.29x = 154,610,341,264,029.38 - Step 5: Solve for x
x = 154,610,341,264,029.38/19,055,871.29 - Step 6: Final answer
x = 8,113,527.79
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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.