Finding the Fourth Proportional to 9,251,389.89, 13,880,236.95 and 2,774,622.06
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Solution
The fourth proportional to 9,251,389.89, 13,880,236.95 and 2,774,622.06 is: 4,162,878.45
Step by Step Solution
- Step 1: Write the proportion equation
9,251,389.89 : 13,880,236.95 = 2,774,622.06 : x - Step 2: Convert to fraction form
9,251,389.89/13,880,236.95 = 2,774,622.06/x - Step 3: Cross multiply
9,251,389.89x = 13,880,236.95 × 2,774,622.06 - Step 4: Simplify right side
9,251,389.89x = 38,512,411,639,497.12 - Step 5: Solve for x
x = 38,512,411,639,497.12/9,251,389.89 - Step 6: Final answer
x = 4,162,878.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.