Finding the Fourth Proportional to 14,966,315.28, 22,442,493.88 and 7,775,916.12
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Solution
The fourth proportional to 14,966,315.28, 22,442,493.88 and 7,775,916.12 is: 11,660,248.14
Step by Step Solution
- Step 1: Write the proportion equation
14,966,315.28 : 22,442,493.88 = 7,775,916.12 : x - Step 2: Convert to fraction form
14,966,315.28/22,442,493.88 = 7,775,916.12/x - Step 3: Cross multiply
14,966,315.28x = 22,442,493.88 × 7,775,916.12 - Step 4: Simplify right side
14,966,315.28x = 174,510,949,934,493.34 - Step 5: Solve for x
x = 174,510,949,934,493.34/14,966,315.28 - Step 6: Final answer
x = 11,660,248.14
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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.