Finding the Fourth Proportional to 9,765,977.15, 13,475,809.62 and 5,354,541.99
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Solution
The fourth proportional to 9,765,977.15, 13,475,809.62 and 5,354,541.99 is: 7,388,588.70
Step by Step Solution
- Step 1: Write the proportion equation
9,765,977.15 : 13,475,809.62 = 5,354,541.99 : x - Step 2: Convert to fraction form
9,765,977.15/13,475,809.62 = 5,354,541.99/x - Step 3: Cross multiply
9,765,977.15x = 13,475,809.62 × 5,354,541.99 - Step 4: Simplify right side
9,765,977.15x = 72,156,788,459,535.94 - Step 5: Solve for x
x = 72,156,788,459,535.94/9,765,977.15 - Step 6: Final answer
x = 7,388,588.70
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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.