Finding the Fourth Proportional to 28,768,205.96, 39,701,332.50 and 16,545,074.12
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Solution
The fourth proportional to 28,768,205.96, 39,701,332.50 and 16,545,074.12 is: 22,832,897.18
Step by Step Solution
- Step 1: Write the proportion equation
28,768,205.96 : 39,701,332.50 = 16,545,074.12 : x - Step 2: Convert to fraction form
28,768,205.96/39,701,332.50 = 16,545,074.12/x - Step 3: Cross multiply
28,768,205.96x = 39,701,332.50 × 16,545,074.12 - Step 4: Simplify right side
28,768,205.96x = 656,861,488,875,264.88 - Step 5: Solve for x
x = 656,861,488,875,264.88/28,768,205.96 - Step 6: Final answer
x = 22,832,897.18
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1.5x scale
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.