Finding the Fourth Proportional to 11,890,365.84, 16,408,788.84 and 6,457,857.84
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Solution
The fourth proportional to 11,890,365.84, 16,408,788.84 and 6,457,857.84 is: 8,911,889.43
Step by Step Solution
- Step 1: Write the proportion equation
11,890,365.84 : 16,408,788.84 = 6,457,857.84 : x - Step 2: Convert to fraction form
11,890,365.84/16,408,788.84 = 6,457,857.84/x - Step 3: Cross multiply
11,890,365.84x = 16,408,788.84 × 6,457,857.84 - Step 4: Simplify right side
11,890,365.84x = 105,965,625,655,298.50 - Step 5: Solve for x
x = 105,965,625,655,298.50/11,890,365.84 - Step 6: Final answer
x = 8,911,889.43
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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.