Finding the Fourth Proportional to 39,698,749.80, 55,691,623.80 and 39,698,749.80
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Solution
The fourth proportional to 39,698,749.80, 55,691,623.80 and 39,698,749.80 is: 55,691,623.80
Step by Step Solution
- Step 1: Write the proportion equation
39,698,749.80 : 55,691,623.80 = 39,698,749.80 : x - Step 2: Convert to fraction form
39,698,749.80/55,691,623.80 = 39,698,749.80/x - Step 3: Cross multiply
39,698,749.80x = 55,691,623.80 × 39,698,749.80 - Step 4: Simplify right side
39,698,749.80x = 2,210,887,839,191,925 - Step 5: Solve for x
x = 2,210,887,839,191,925/39,698,749.80 - Step 6: Final answer
x = 55,691,623.80
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.