Finding the Fourth Proportional to 8,457,929.12, 11,671,953.45 and 4,590,450.28
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Solution
The fourth proportional to 8,457,929.12, 11,671,953.45 and 4,590,450.28 is: 6,334,827.50
Step by Step Solution
- Step 1: Write the proportion equation
8,457,929.12 : 11,671,953.45 = 4,590,450.28 : x - Step 2: Convert to fraction form
8,457,929.12/11,671,953.45 = 4,590,450.28/x - Step 3: Cross multiply
8,457,929.12x = 11,671,953.45 × 4,590,450.28 - Step 4: Simplify right side
8,457,929.12x = 53,579,521,982,699.47 - Step 5: Solve for x
x = 53,579,521,982,699.47/8,457,929.12 - Step 6: Final answer
x = 6,334,827.50
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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.