Finding the Fourth Proportional to 12,875,565.99, 19,310,352.70 and 4,792,348.38
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Solution
The fourth proportional to 12,875,565.99, 19,310,352.70 and 4,792,348.38 is: 7,187,407.34
Step by Step Solution
- Step 1: Write the proportion equation
12,875,565.99 : 19,310,352.70 = 4,792,348.38 : x - Step 2: Convert to fraction form
12,875,565.99/19,310,352.70 = 4,792,348.38/x - Step 3: Cross multiply
12,875,565.99x = 19,310,352.70 × 4,792,348.38 - Step 4: Simplify right side
12,875,565.99x = 92,541,937,479,073.62 - Step 5: Solve for x
x = 92,541,937,479,073.62/12,875,565.99 - Step 6: Final answer
x = 7,187,407.34
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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.