Finding the Fourth Proportional to 12,177,053.18, 16,792,741.41 and 7,281,497.42
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Solution
The fourth proportional to 12,177,053.18, 16,792,741.41 and 7,281,497.42 is: 10,041,534.80
Step by Step Solution
- Step 1: Write the proportion equation
12,177,053.18 : 16,792,741.41 = 7,281,497.42 : x - Step 2: Convert to fraction form
12,177,053.18/16,792,741.41 = 7,281,497.42/x - Step 3: Cross multiply
12,177,053.18x = 16,792,741.41 × 7,281,497.42 - Step 4: Simplify right side
12,177,053.18x = 122,276,303,251,642.16 - Step 5: Solve for x
x = 122,276,303,251,642.16/12,177,053.18 - Step 6: Final answer
x = 10,041,534.80
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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.