Finding the Fourth Proportional to 18,281,305.84, 25,227,841.36 and 10,021,385.92
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Solution
The fourth proportional to 18,281,305.84, 25,227,841.36 and 10,021,385.92 is: 13,829,314.84
Step by Step Solution
- Step 1: Write the proportion equation
18,281,305.84 : 25,227,841.36 = 10,021,385.92 : x - Step 2: Convert to fraction form
18,281,305.84/25,227,841.36 = 10,021,385.92/x - Step 3: Cross multiply
18,281,305.84x = 25,227,841.36 × 10,021,385.92 - Step 4: Simplify right side
18,281,305.84x = 252,817,934,197,097.66 - Step 5: Solve for x
x = 252,817,934,197,097.66/18,281,305.84 - Step 6: Final answer
x = 13,829,314.84
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1.5x scale
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.