Finding the Fourth Proportional to 35,571,432.16, 49,089,133.68 and 20,887,423.12
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Solution
The fourth proportional to 35,571,432.16, 49,089,133.68 and 20,887,423.12 is: 28,824,971.15
Step by Step Solution
- Step 1: Write the proportion equation
35,571,432.16 : 49,089,133.68 = 20,887,423.12 : x - Step 2: Convert to fraction form
35,571,432.16/49,089,133.68 = 20,887,423.12/x - Step 3: Cross multiply
35,571,432.16x = 49,089,133.68 × 20,887,423.12 - Step 4: Simplify right side
35,571,432.16x = 1,025,345,505,768,402.75 - Step 5: Solve for x
x = 1,025,345,505,768,402.75/35,571,432.16 - Step 6: Final answer
x = 28,824,971.15
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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.