Finding the Fourth Proportional to 16,390,869.90, 24,586,304.85 and 15,271,125.90
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Solution
The fourth proportional to 16,390,869.90, 24,586,304.85 and 15,271,125.90 is: 22,906,688.85
Step by Step Solution
- Step 1: Write the proportion equation
16,390,869.90 : 24,586,304.85 = 15,271,125.90 : x - Step 2: Convert to fraction form
16,390,869.90/24,586,304.85 = 15,271,125.90/x - Step 3: Cross multiply
16,390,869.90x = 24,586,304.85 × 15,271,125.90 - Step 4: Simplify right side
16,390,869.90x = 375,460,556,780,130.62 - Step 5: Solve for x
x = 375,460,556,780,130.62/16,390,869.90 - Step 6: Final answer
x = 22,906,688.85
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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.