Finding the Fourth Proportional to 37,792,297.80, 56,688,446.70 and 18,660,421.80
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Solution
The fourth proportional to 37,792,297.80, 56,688,446.70 and 18,660,421.80 is: 27,990,632.70
Step by Step Solution
- Step 1: Write the proportion equation
37,792,297.80 : 56,688,446.70 = 18,660,421.80 : x - Step 2: Convert to fraction form
37,792,297.80/56,688,446.70 = 18,660,421.80/x - Step 3: Cross multiply
37,792,297.80x = 56,688,446.70 × 18,660,421.80 - Step 4: Simplify right side
37,792,297.80x = 1,057,830,326,608,818.12 - Step 5: Solve for x
x = 1,057,830,326,608,818.12/37,792,297.80 - Step 6: Final answer
x = 27,990,632.70
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1.5x scale
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.