Finding the Fourth Proportional to 10,865,750.20, 16,292,720.40 and 4,476,648.40
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Solution
The fourth proportional to 10,865,750.20, 16,292,720.40 and 4,476,648.40 is: 6,712,539.80
Step by Step Solution
- Step 1: Write the proportion equation
10,865,750.20 : 16,292,720.40 = 4,476,648.40 : x - Step 2: Convert to fraction form
10,865,750.20/16,292,720.40 = 4,476,648.40/x - Step 3: Cross multiply
10,865,750.20x = 16,292,720.40 × 4,476,648.40 - Step 4: Simplify right side
10,865,750.20x = 72,936,780,710,307.38 - Step 5: Solve for x
x = 72,936,780,710,307.38/10,865,750.20 - Step 6: Final answer
x = 6,712,539.80
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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.