Finding the Fourth Proportional to 45,690,307.12, 68,535,693.96 and 15,398,432.56
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Solution
The fourth proportional to 45,690,307.12, 68,535,693.96 and 15,398,432.56 is: 23,097,727.46
Step by Step Solution
- Step 1: Write the proportion equation
45,690,307.12 : 68,535,693.96 = 15,398,432.56 : x - Step 2: Convert to fraction form
45,690,307.12/68,535,693.96 = 15,398,432.56/x - Step 3: Cross multiply
45,690,307.12x = 68,535,693.96 × 15,398,432.56 - Step 4: Simplify right side
45,690,307.12x = 1,055,342,261,395,859.25 - Step 5: Solve for x
x = 1,055,342,261,395,859.25/45,690,307.12 - Step 6: Final answer
x = 23,097,727.46
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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.