Finding the Fourth Proportional to 10,272,220.69, 14,176,110.18 and 5,688,542.08
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Solution
The fourth proportional to 10,272,220.69, 14,176,110.18 and 5,688,542.08 is: 7,850,434.85
Step by Step Solution
- Step 1: Write the proportion equation
10,272,220.69 : 14,176,110.18 = 5,688,542.08 : x - Step 2: Convert to fraction form
10,272,220.69/14,176,110.18 = 5,688,542.08/x - Step 3: Cross multiply
10,272,220.69x = 14,176,110.18 × 5,688,542.08 - Step 4: Simplify right side
10,272,220.69x = 80,641,399,289,646.38 - Step 5: Solve for x
x = 80,641,399,289,646.38/10,272,220.69 - Step 6: Final answer
x = 7,850,434.85
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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.