Finding the Fourth Proportional to 13,549,189.06, 18,697,899.84 and 7,354,237.18
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Solution
The fourth proportional to 13,549,189.06, 18,697,899.84 and 7,354,237.18 is: 10,148,857.59
Step by Step Solution
- Step 1: Write the proportion equation
13,549,189.06 : 18,697,899.84 = 7,354,237.18 : x - Step 2: Convert to fraction form
13,549,189.06/18,697,899.84 = 7,354,237.18/x - Step 3: Cross multiply
13,549,189.06x = 18,697,899.84 × 7,354,237.18 - Step 4: Simplify right side
13,549,189.06x = 137,508,790,191,244.05 - Step 5: Solve for x
x = 137,508,790,191,244.05/13,549,189.06 - Step 6: Final answer
x = 10,148,857.59
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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.