Finding the Fourth Proportional to 29,219,048.84, 40,312,495.65 and 16,828,894.16
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Solution
The fourth proportional to 29,219,048.84, 40,312,495.65 and 16,828,894.16 is: 23,218,234.32
Step by Step Solution
- Step 1: Write the proportion equation
29,219,048.84 : 40,312,495.65 = 16,828,894.16 : x - Step 2: Convert to fraction form
29,219,048.84/40,312,495.65 = 16,828,894.16/x - Step 3: Cross multiply
29,219,048.84x = 40,312,495.65 × 16,828,894.16 - Step 4: Simplify right side
29,219,048.84x = 678,414,722,619,310.38 - Step 5: Solve for x
x = 678,414,722,619,310.38/29,219,048.84 - Step 6: Final answer
x = 23,218,234.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.