Finding the Fourth Proportional to 9,988,955.64, 14,983,440.70 and 2,415,928.68
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Solution
The fourth proportional to 9,988,955.64, 14,983,440.70 and 2,415,928.68 is: 3,623,894.77
Step by Step Solution
- Step 1: Write the proportion equation
9,988,955.64 : 14,983,440.70 = 2,415,928.68 : x - Step 2: Convert to fraction form
9,988,955.64/14,983,440.70 = 2,415,928.68/x - Step 3: Cross multiply
9,988,955.64x = 14,983,440.70 × 2,415,928.68 - Step 4: Simplify right side
9,988,955.64x = 36,198,924,112,209.27 - Step 5: Solve for x
x = 36,198,924,112,209.27/9,988,955.64 - Step 6: Final answer
x = 3,623,894.77
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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.