Finding the Fourth Proportional to 16,000,908.62, 22,081,312.02 and 8,658,740.90
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Solution
The fourth proportional to 16,000,908.62, 22,081,312.02 and 8,658,740.90 is: 11,949,093.90
Step by Step Solution
- Step 1: Write the proportion equation
16,000,908.62 : 22,081,312.02 = 8,658,740.90 : x - Step 2: Convert to fraction form
16,000,908.62/22,081,312.02 = 8,658,740.90/x - Step 3: Cross multiply
16,000,908.62x = 22,081,312.02 × 8,658,740.90 - Step 4: Simplify right side
16,000,908.62x = 191,196,359,513,235.62 - Step 5: Solve for x
x = 191,196,359,513,235.62/16,000,908.62 - Step 6: Final answer
x = 11,949,093.90
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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.