Finding the Fourth Proportional to 16,872,389.24, 23,283,772.98 and 9,137,252.12
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Solution
The fourth proportional to 16,872,389.24, 23,283,772.98 and 9,137,252.12 is: 12,609,340.68
Step by Step Solution
- Step 1: Write the proportion equation
16,872,389.24 : 23,283,772.98 = 9,137,252.12 : x - Step 2: Convert to fraction form
16,872,389.24/23,283,772.98 = 9,137,252.12/x - Step 3: Cross multiply
16,872,389.24x = 23,283,772.98 × 9,137,252.12 - Step 4: Simplify right side
16,872,389.24x = 212,749,704,023,103.69 - Step 5: Solve for x
x = 212,749,704,023,103.69/16,872,389.24 - Step 6: Final answer
x = 12,609,340.68
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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.