Finding the Fourth Proportional to 16,966,941.40, 25,450,412.10 and 13,183,139.80
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Solution
The fourth proportional to 16,966,941.40, 25,450,412.10 and 13,183,139.80 is: 19,774,709.70
Step by Step Solution
- Step 1: Write the proportion equation
16,966,941.40 : 25,450,412.10 = 13,183,139.80 : x - Step 2: Convert to fraction form
16,966,941.40/25,450,412.10 = 13,183,139.80/x - Step 3: Cross multiply
16,966,941.40x = 25,450,412.10 × 13,183,139.80 - Step 4: Simplify right side
16,966,941.40x = 335,516,340,681,911.62 - Step 5: Solve for x
x = 335,516,340,681,911.62/16,966,941.40 - Step 6: Final answer
x = 19,774,709.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.