Finding the Fourth Proportional to 45,617,681.94, 68,418,256.86 and 18,322,872.18
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Solution
The fourth proportional to 45,617,681.94, 68,418,256.86 and 18,322,872.18 is: 27,480,988.11
Step by Step Solution
- Step 1: Write the proportion equation
45,617,681.94 : 68,418,256.86 = 18,322,872.18 : x - Step 2: Convert to fraction form
45,617,681.94/68,418,256.86 = 18,322,872.18/x - Step 3: Cross multiply
45,617,681.94x = 68,418,256.86 × 18,322,872.18 - Step 4: Simplify right side
45,617,681.94x = 1,253,618,975,224,188 - Step 5: Solve for x
x = 1,253,618,975,224,188/45,617,681.94 - Step 6: Final answer
x = 27,480,988.11
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.