Finding the Fourth Proportional to 10,552,758.48, 15,829,750.08 and 2,979,090
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Solution
The fourth proportional to 10,552,758.48, 15,829,750.08 and 2,979,090 is: 4,468,807.87
Step by Step Solution
- Step 1: Write the proportion equation
10,552,758.48 : 15,829,750.08 = 2,979,090 : x - Step 2: Convert to fraction form
10,552,758.48/15,829,750.08 = 2,979,090/x - Step 3: Cross multiply
10,552,758.48x = 15,829,750.08 × 2,979,090 - Step 4: Simplify right side
10,552,758.48x = 47,158,250,165,827.20 - Step 5: Solve for x
x = 47,158,250,165,827.20/10,552,758.48 - Step 6: Final answer
x = 4,468,807.87
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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.