Finding the Fourth Proportional to 23,441,999.75, 32,349,959.66 and 13,128,722.85
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Solution
The fourth proportional to 23,441,999.75, 32,349,959.66 and 13,128,722.85 is: 18,117,637.53
Step by Step Solution
- Step 1: Write the proportion equation
23,441,999.75 : 32,349,959.66 = 13,128,722.85 : x - Step 2: Convert to fraction form
23,441,999.75/32,349,959.66 = 13,128,722.85/x - Step 3: Cross multiply
23,441,999.75x = 32,349,959.66 × 13,128,722.85 - Step 4: Simplify right side
23,441,999.75x = 424,713,654,447,097 - Step 5: Solve for x
x = 424,713,654,447,097/23,441,999.75 - Step 6: Final answer
x = 18,117,637.53
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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.