Finding the Fourth Proportional to 9,765,943.40, 13,475,763.05 and 5,354,508.14
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Solution
The fourth proportional to 9,765,943.40, 13,475,763.05 and 5,354,508.14 is: 7,388,541.99
Step by Step Solution
- Step 1: Write the proportion equation
9,765,943.40 : 13,475,763.05 = 5,354,508.14 : x - Step 2: Convert to fraction form
9,765,943.40/13,475,763.05 = 5,354,508.14/x - Step 3: Cross multiply
9,765,943.40x = 13,475,763.05 × 5,354,508.14 - Step 4: Simplify right side
9,765,943.40x = 72,156,082,900,318.98 - Step 5: Solve for x
x = 72,156,082,900,318.98/9,765,943.40 - Step 6: Final answer
x = 7,388,541.99
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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.