Finding the Fourth Proportional to 22,397,204.80, 30,891,641.09 and 16,890,811.74
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Solution
The fourth proportional to 22,397,204.80, 30,891,641.09 and 16,890,811.74 is: 23,296,875.59
Step by Step Solution
- Step 1: Write the proportion equation
22,397,204.80 : 30,891,641.09 = 16,890,811.74 : x - Step 2: Convert to fraction form
22,397,204.80/30,891,641.09 = 16,890,811.74/x - Step 3: Cross multiply
22,397,204.80x = 30,891,641.09 × 16,890,811.74 - Step 4: Simplify right side
22,397,204.80x = 521,784,893,906,384.31 - Step 5: Solve for x
x = 521,784,893,906,384.31/22,397,204.80 - Step 6: Final answer
x = 23,296,875.59
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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.