Finding the Fourth Proportional to 14,083,312.32, 21,122,471.36 and 6,405,158.70
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Solution
The fourth proportional to 14,083,312.32, 21,122,471.36 and 6,405,158.70 is: 9,606,602.35
Step by Step Solution
- Step 1: Write the proportion equation
14,083,312.32 : 21,122,471.36 = 6,405,158.70 : x - Step 2: Convert to fraction form
14,083,312.32/21,122,471.36 = 6,405,158.70/x - Step 3: Cross multiply
14,083,312.32x = 21,122,471.36 × 6,405,158.70 - Step 4: Simplify right side
14,083,312.32x = 135,292,781,244,188.31 - Step 5: Solve for x
x = 135,292,781,244,188.31/14,083,312.32 - Step 6: Final answer
x = 9,606,602.35
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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.