Finding the Fourth Proportional to 10,553,658.40, 15,830,487.60 and 2,575,482.40
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Solution
The fourth proportional to 10,553,658.40, 15,830,487.60 and 2,575,482.40 is: 3,863,223.60
Step by Step Solution
- Step 1: Write the proportion equation
10,553,658.40 : 15,830,487.60 = 2,575,482.40 : x - Step 2: Convert to fraction form
10,553,658.40/15,830,487.60 = 2,575,482.40/x - Step 3: Cross multiply
10,553,658.40x = 15,830,487.60 × 2,575,482.40 - Step 4: Simplify right side
10,553,658.40x = 40,771,142,197,218.23 - Step 5: Solve for x
x = 40,771,142,197,218.23/10,553,658.40 - Step 6: Final answer
x = 3,863,223.60
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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.