Finding the Fourth Proportional to 22,261,860.63, 30,724,610.99 and 12,472,966.49
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Solution
The fourth proportional to 22,261,860.63, 30,724,610.99 and 12,472,966.49 is: 17,214,510.93
Step by Step Solution
- Step 1: Write the proportion equation
22,261,860.63 : 30,724,610.99 = 12,472,966.49 : x - Step 2: Convert to fraction form
22,261,860.63/30,724,610.99 = 12,472,966.49/x - Step 3: Cross multiply
22,261,860.63x = 30,724,610.99 × 12,472,966.49 - Step 4: Simplify right side
22,261,860.63x = 383,227,043,080,567.81 - Step 5: Solve for x
x = 383,227,043,080,567.81/22,261,860.63 - Step 6: Final answer
x = 17,214,510.93
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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.