Finding the Fourth Proportional to 51,652,505.91, 71,283,681.81 and 28,447,626.72
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Solution
The fourth proportional to 51,652,505.91, 71,283,681.81 and 28,447,626.72 is: 39,259,500.30
Step by Step Solution
- Step 1: Write the proportion equation
51,652,505.91 : 71,283,681.81 = 28,447,626.72 : x - Step 2: Convert to fraction form
51,652,505.91/71,283,681.81 = 28,447,626.72/x - Step 3: Cross multiply
51,652,505.91x = 71,283,681.81 × 28,447,626.72 - Step 4: Simplify right side
51,652,505.91x = 2,027,851,571,358,134 - Step 5: Solve for x
x = 2,027,851,571,358,134/51,652,505.91 - Step 6: Final answer
x = 39,259,500.30
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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.