Finding the Fourth Proportional to 13,366,358.94, 18,445,081.95 and 7,254,656.22
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Solution
The fourth proportional to 13,366,358.94, 18,445,081.95 and 7,254,656.22 is: 10,011,157.80
Step by Step Solution
- Step 1: Write the proportion equation
13,366,358.94 : 18,445,081.95 = 7,254,656.22 : x - Step 2: Convert to fraction form
13,366,358.94/18,445,081.95 = 7,254,656.22/x - Step 3: Cross multiply
13,366,358.94x = 18,445,081.95 × 7,254,656.22 - Step 4: Simplify right side
13,366,358.94x = 133,812,728,496,977.22 - Step 5: Solve for x
x = 133,812,728,496,977.22/13,366,358.94 - Step 6: Final answer
x = 10,011,157.80
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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.