Finding the Fourth Proportional to 16,390,143.80, 24,585,215.70 and 15,550,335.80
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Solution
The fourth proportional to 16,390,143.80, 24,585,215.70 and 15,550,335.80 is: 23,325,503.70
Step by Step Solution
- Step 1: Write the proportion equation
16,390,143.80 : 24,585,215.70 = 15,550,335.80 : x - Step 2: Convert to fraction form
16,390,143.80/24,585,215.70 = 15,550,335.80/x - Step 3: Cross multiply
16,390,143.80x = 24,585,215.70 × 15,550,335.80 - Step 4: Simplify right side
16,390,143.80x = 382,308,359,850,432.06 - Step 5: Solve for x
x = 382,308,359,850,432.06/16,390,143.80 - Step 6: Final answer
x = 23,325,503.70
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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.