Finding the Fourth Proportional to 11,976,359.95, 16,527,360.64 and 6,819,721.75
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Solution
The fourth proportional to 11,976,359.95, 16,527,360.64 and 6,819,721.75 is: 9,411,206.85
Step by Step Solution
- Step 1: Write the proportion equation
11,976,359.95 : 16,527,360.64 = 6,819,721.75 : x - Step 2: Convert to fraction form
11,976,359.95/16,527,360.64 = 6,819,721.75/x - Step 3: Cross multiply
11,976,359.95x = 16,527,360.64 × 6,819,721.75 - Step 4: Simplify right side
11,976,359.95x = 112,712,000,709,966.52 - Step 5: Solve for x
x = 112,712,000,709,966.52/11,976,359.95 - Step 6: Final answer
x = 9,411,206.85
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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.