Finding the Fourth Proportional to 19,962,938.53, 29,941,404.32 and 5,584,142.53
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Solution
The fourth proportional to 19,962,938.53, 29,941,404.32 and 5,584,142.53 is: 8,375,373.65
Step by Step Solution
- Step 1: Write the proportion equation
19,962,938.53 : 29,941,404.32 = 5,584,142.53 : x - Step 2: Convert to fraction form
19,962,938.53/29,941,404.32 = 5,584,142.53/x - Step 3: Cross multiply
19,962,938.53x = 29,941,404.32 × 5,584,142.53 - Step 4: Simplify right side
19,962,938.53x = 167,197,069,291,214.03 - Step 5: Solve for x
x = 167,197,069,291,214.03/19,962,938.53 - Step 6: Final answer
x = 8,375,373.65
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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.