Finding the Fourth Proportional to 16,226,561.84, 22,391,802.96 and 8,882,987.68
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Solution
The fourth proportional to 16,226,561.84, 22,391,802.96 and 8,882,987.68 is: 12,258,056.38
Step by Step Solution
- Step 1: Write the proportion equation
16,226,561.84 : 22,391,802.96 = 8,882,987.68 : x - Step 2: Convert to fraction form
16,226,561.84/22,391,802.96 = 8,882,987.68/x - Step 3: Cross multiply
16,226,561.84x = 22,391,802.96 × 8,882,987.68 - Step 4: Simplify right side
16,226,561.84x = 198,906,109,826,667.53 - Step 5: Solve for x
x = 198,906,109,826,667.53/16,226,561.84 - Step 6: Final answer
x = 12,258,056.38
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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.