Finding the Fourth Proportional to 14,921,615.43, 22,382,421.73 and 4,138,916.76
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Solution
The fourth proportional to 14,921,615.43, 22,382,421.73 and 4,138,916.76 is: 6,208,374.75
Step by Step Solution
- Step 1: Write the proportion equation
14,921,615.43 : 22,382,421.73 = 4,138,916.76 : x - Step 2: Convert to fraction form
14,921,615.43/22,382,421.73 = 4,138,916.76/x - Step 3: Cross multiply
14,921,615.43x = 22,382,421.73 × 4,138,916.76 - Step 4: Simplify right side
14,921,615.43x = 92,638,980,417,337.89 - Step 5: Solve for x
x = 92,638,980,417,337.89/14,921,615.43 - Step 6: Final answer
x = 6,208,374.75
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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.