Finding the Fourth Proportional to 45,512,643.24, 68,254,734.56 and 15,213,420.36
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Solution
The fourth proportional to 45,512,643.24, 68,254,734.56 and 15,213,420.36 is: 22,815,373.81
Step by Step Solution
- Step 1: Write the proportion equation
45,512,643.24 : 68,254,734.56 = 15,213,420.36 : x - Step 2: Convert to fraction form
45,512,643.24/68,254,734.56 = 15,213,420.36/x - Step 3: Cross multiply
45,512,643.24x = 68,254,734.56 × 15,213,420.36 - Step 4: Simplify right side
45,512,643.24x = 1,038,387,968,421,499.62 - Step 5: Solve for x
x = 1,038,387,968,421,499.62/45,512,643.24 - Step 6: Final answer
x = 22,815,373.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.