Finding the Fourth Proportional to 10,220,355.98, 14,104,939.12 and 5,870,281.76
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Solution
The fourth proportional to 10,220,355.98, 14,104,939.12 and 5,870,281.76 is: 8,101,475.82
Step by Step Solution
- Step 1: Write the proportion equation
10,220,355.98 : 14,104,939.12 = 5,870,281.76 : x - Step 2: Convert to fraction form
10,220,355.98/14,104,939.12 = 5,870,281.76/x - Step 3: Cross multiply
10,220,355.98x = 14,104,939.12 × 5,870,281.76 - Step 4: Simplify right side
10,220,355.98x = 82,799,966,842,046.44 - Step 5: Solve for x
x = 82,799,966,842,046.44/10,220,355.98 - Step 6: Final answer
x = 8,101,475.82
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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.