Finding the Fourth Proportional to 10,164,195.90, 15,246,490.28 and 2,487,907.91
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Solution
The fourth proportional to 10,164,195.90, 15,246,490.28 and 2,487,907.91 is: 3,731,909.95
Step by Step Solution
- Step 1: Write the proportion equation
10,164,195.90 : 15,246,490.28 = 2,487,907.91 : x - Step 2: Convert to fraction form
10,164,195.90/15,246,490.28 = 2,487,907.91/x - Step 3: Cross multiply
10,164,195.90x = 15,246,490.28 × 2,487,907.91 - Step 4: Simplify right side
10,164,195.90x = 37,931,863,793,026.80 - Step 5: Solve for x
x = 37,931,863,793,026.80/10,164,195.90 - Step 6: Final answer
x = 3,731,909.95
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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.