Finding the Fourth Proportional to 42,184,858, 58,221,316.20 and 26,716,380.88
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Solution
The fourth proportional to 42,184,858, 58,221,316.20 and 26,716,380.88 is: 36,872,539.88
Step by Step Solution
- Step 1: Write the proportion equation
42,184,858 : 58,221,316.20 = 26,716,380.88 : x - Step 2: Convert to fraction form
42,184,858/58,221,316.20 = 26,716,380.88/x - Step 3: Cross multiply
42,184,858x = 58,221,316.20 × 26,716,380.88 - Step 4: Simplify right side
42,184,858x = 1,555,462,858,934,114.25 - Step 5: Solve for x
x = 1,555,462,858,934,114.25/42,184,858 - Step 6: Final answer
x = 36,872,539.88
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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.