Finding the Fourth Proportional to 14,272,800.75, 19,689,021.95 and 8,767,415.84
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Solution
The fourth proportional to 14,272,800.75, 19,689,021.95 and 8,767,415.84 is: 12,094,461.75
Step by Step Solution
- Step 1: Write the proportion equation
14,272,800.75 : 19,689,021.95 = 8,767,415.84 : x - Step 2: Convert to fraction form
14,272,800.75/19,689,021.95 = 8,767,415.84/x - Step 3: Cross multiply
14,272,800.75x = 19,689,021.95 × 8,767,415.84 - Step 4: Simplify right side
14,272,800.75x = 172,621,842,776,255.53 - Step 5: Solve for x
x = 172,621,842,776,255.53/14,272,800.75 - Step 6: Final answer
x = 12,094,461.75
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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.