Finding the Fourth Proportional to 14,478,877.44, 19,973,460.24 and 9,246,385.44
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Solution
The fourth proportional to 14,478,877.44, 19,973,460.24 and 9,246,385.44 is: 12,755,292.16
Step by Step Solution
- Step 1: Write the proportion equation
14,478,877.44 : 19,973,460.24 = 9,246,385.44 : x - Step 2: Convert to fraction form
14,478,877.44/19,973,460.24 = 9,246,385.44/x - Step 3: Cross multiply
14,478,877.44x = 19,973,460.24 × 9,246,385.44 - Step 4: Simplify right side
14,478,877.44x = 184,682,311,949,554.88 - Step 5: Solve for x
x = 184,682,311,949,554.88/14,478,877.44 - Step 6: Final answer
x = 12,755,292.16
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.