Finding the Fourth Proportional to 16,011,719.20, 22,096,006.80 and 8,669,426.08
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Solution
The fourth proportional to 16,011,719.20, 22,096,006.80 and 8,669,426.08 is: 11,963,718.28
Step by Step Solution
- Step 1: Write the proportion equation
16,011,719.20 : 22,096,006.80 = 8,669,426.08 : x - Step 2: Convert to fraction form
16,011,719.20/22,096,006.80 = 8,669,426.08/x - Step 3: Cross multiply
16,011,719.20x = 22,096,006.80 × 8,669,426.08 - Step 4: Simplify right side
16,011,719.20x = 191,559,697,615,777.34 - Step 5: Solve for x
x = 191,559,697,615,777.34/16,011,719.20 - Step 6: Final answer
x = 11,963,718.28
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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.