Finding the Fourth Proportional to 32,512,985.86, 44,831,145.45 and 20,736,506.02
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Solution
The fourth proportional to 32,512,985.86, 44,831,145.45 and 20,736,506.02 is: 28,592,923.50
Step by Step Solution
- Step 1: Write the proportion equation
32,512,985.86 : 44,831,145.45 = 20,736,506.02 : x - Step 2: Convert to fraction form
32,512,985.86/44,831,145.45 = 20,736,506.02/x - Step 3: Cross multiply
32,512,985.86x = 44,831,145.45 × 20,736,506.02 - Step 4: Simplify right side
32,512,985.86x = 929,641,317,507,420.62 - Step 5: Solve for x
x = 929,641,317,507,420.62/32,512,985.86 - Step 6: Final answer
x = 28,592,923.50
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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.