Finding the Fourth Proportional to 46,405,395.11, 69,564,819.24 and 15,678,485.91
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Solution
The fourth proportional to 46,405,395.11, 69,564,819.24 and 15,678,485.91 is: 23,503,108.55
Step by Step Solution
- Step 1: Write the proportion equation
46,405,395.11 : 69,564,819.24 = 15,678,485.91 : x - Step 2: Convert to fraction form
46,405,395.11/69,564,819.24 = 15,678,485.91/x - Step 3: Cross multiply
46,405,395.11x = 69,564,819.24 × 15,678,485.91 - Step 4: Simplify right side
46,405,395.11x = 1,090,671,038,286,036.88 - Step 5: Solve for x
x = 1,090,671,038,286,036.88/46,405,395.11 - Step 6: Final answer
x = 23,503,108.55
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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.