Finding the Fourth Proportional to 7,890,733.40, 10,896,732.18 and 7,460,849.95
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Solution
The fourth proportional to 7,890,733.40, 10,896,732.18 and 7,460,849.95 is: 10,303,083.32
Step by Step Solution
- Step 1: Write the proportion equation
7,890,733.40 : 10,896,732.18 = 7,460,849.95 : x - Step 2: Convert to fraction form
7,890,733.40/10,896,732.18 = 7,460,849.95/x - Step 3: Cross multiply
7,890,733.40x = 10,896,732.18 × 7,460,849.95 - Step 4: Simplify right side
7,890,733.40x = 81,298,883,648,528.48 - Step 5: Solve for x
x = 81,298,883,648,528.48/7,890,733.40 - Step 6: Final answer
x = 10,303,083.32
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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.