Finding the Fourth Proportional to 10,473,605.42, 15,710,998.22 and 3,187,302.13
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Solution
The fourth proportional to 10,473,605.42, 15,710,998.22 and 3,187,302.13 is: 4,781,132.78
Step by Step Solution
- Step 1: Write the proportion equation
10,473,605.42 : 15,710,998.22 = 3,187,302.13 : x - Step 2: Convert to fraction form
10,473,605.42/15,710,998.22 = 3,187,302.13/x - Step 3: Cross multiply
10,473,605.42x = 15,710,998.22 × 3,187,302.13 - Step 4: Simplify right side
10,473,605.42x = 50,075,698,162,078.99 - Step 5: Solve for x
x = 50,075,698,162,078.99/10,473,605.42 - Step 6: Final answer
x = 4,781,132.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.