Finding the Fourth Proportional to 22,572,120.74, 31,151,447.69 and 12,784,306.14
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Solution
The fourth proportional to 22,572,120.74, 31,151,447.69 and 12,784,306.14 is: 17,643,430.52
Step by Step Solution
- Step 1: Write the proportion equation
22,572,120.74 : 31,151,447.69 = 12,784,306.14 : x - Step 2: Convert to fraction form
22,572,120.74/31,151,447.69 = 12,784,306.14/x - Step 3: Cross multiply
22,572,120.74x = 31,151,447.69 × 12,784,306.14 - Step 4: Simplify right side
22,572,120.74x = 398,249,643,909,234.31 - Step 5: Solve for x
x = 398,249,643,909,234.31/22,572,120.74 - Step 6: Final answer
x = 17,643,430.52
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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.