Finding the Fourth Proportional to 12,117,088.99, 16,721,503.46 and 6,890,097.53
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Solution
The fourth proportional to 12,117,088.99, 16,721,503.46 and 6,890,097.53 is: 9,508,289.48
Step by Step Solution
- Step 1: Write the proportion equation
12,117,088.99 : 16,721,503.46 = 6,890,097.53 : x - Step 2: Convert to fraction form
12,117,088.99/16,721,503.46 = 6,890,097.53/x - Step 3: Cross multiply
12,117,088.99x = 16,721,503.46 × 6,890,097.53 - Step 4: Simplify right side
12,117,088.99x = 115,212,789,750,216.61 - Step 5: Solve for x
x = 115,212,789,750,216.61/12,117,088.99 - Step 6: Final answer
x = 9,508,289.48
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1.5x scale
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.