Finding the Fourth Proportional to 11,098,570, 15,302,089.70 and 8,488,276.14
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Solution
The fourth proportional to 11,098,570, 15,302,089.70 and 8,488,276.14 is: 11,703,162.02
Step by Step Solution
- Step 1: Write the proportion equation
11,098,570 : 15,302,089.70 = 8,488,276.14 : x - Step 2: Convert to fraction form
11,098,570/15,302,089.70 = 8,488,276.14/x - Step 3: Cross multiply
11,098,570x = 15,302,089.70 × 8,488,276.14 - Step 4: Simplify right side
11,098,570x = 129,888,362,892,649.77 - Step 5: Solve for x
x = 129,888,362,892,649.77/11,098,570 - Step 6: Final answer
x = 11,703,162.02
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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.