Finding the Fourth Proportional to 9,578,539.70, 14,367,809.55 and 8,539,277.30
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Solution
The fourth proportional to 9,578,539.70, 14,367,809.55 and 8,539,277.30 is: 12,808,915.95
Step by Step Solution
- Step 1: Write the proportion equation
9,578,539.70 : 14,367,809.55 = 8,539,277.30 : x - Step 2: Convert to fraction form
9,578,539.70/14,367,809.55 = 8,539,277.30/x - Step 3: Cross multiply
9,578,539.70x = 14,367,809.55 × 8,539,277.30 - Step 4: Simplify right side
9,578,539.70x = 122,690,709,941,038.23 - Step 5: Solve for x
x = 122,690,709,941,038.23/9,578,539.70 - Step 6: Final answer
x = 12,808,915.95
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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.