Finding the Fourth Proportional to 10,213,332.96, 15,316,013.56 and 4,457,826.92
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Solution
The fourth proportional to 10,213,332.96, 15,316,013.56 and 4,457,826.92 is: 6,685,000.66
Step by Step Solution
- Step 1: Write the proportion equation
10,213,332.96 : 15,316,013.56 = 4,457,826.92 : x - Step 2: Convert to fraction form
10,213,332.96/15,316,013.56 = 4,457,826.92/x - Step 3: Cross multiply
10,213,332.96x = 15,316,013.56 × 4,457,826.92 - Step 4: Simplify right side
10,213,332.96x = 68,276,137,554,853.04 - Step 5: Solve for x
x = 68,276,137,554,853.04/10,213,332.96 - Step 6: Final answer
x = 6,685,000.66
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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.