Finding the Fourth Proportional to 22,291,497.70, 33,437,246.55 and 19,953,157.30
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Solution
The fourth proportional to 22,291,497.70, 33,437,246.55 and 19,953,157.30 is: 29,929,735.95
Step by Step Solution
- Step 1: Write the proportion equation
22,291,497.70 : 33,437,246.55 = 19,953,157.30 : x - Step 2: Convert to fraction form
22,291,497.70/33,437,246.55 = 19,953,157.30/x - Step 3: Cross multiply
22,291,497.70x = 33,437,246.55 × 19,953,157.30 - Step 4: Simplify right side
22,291,497.70x = 667,178,640,091,032.38 - Step 5: Solve for x
x = 667,178,640,091,032.38/22,291,497.70 - Step 6: Final answer
x = 29,929,735.95
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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.