Finding the Fourth Proportional to 22,555,358.04, 31,125,561.54 and 12,241,859.70
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Solution
The fourth proportional to 22,555,358.04, 31,125,561.54 and 12,241,859.70 is: 16,893,314.52
Step by Step Solution
- Step 1: Write the proportion equation
22,555,358.04 : 31,125,561.54 = 12,241,859.70 : x - Step 2: Convert to fraction form
22,555,358.04/31,125,561.54 = 12,241,859.70/x - Step 3: Cross multiply
22,555,358.04x = 31,125,561.54 × 12,241,859.70 - Step 4: Simplify right side
22,555,358.04x = 381,034,757,456,395.88 - Step 5: Solve for x
x = 381,034,757,456,395.88/22,555,358.04 - Step 6: Final answer
x = 16,893,314.52
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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.