Finding the Fourth Proportional to 10,128,101.16, 15,191,208.12 and 2,842,241.88
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Solution
The fourth proportional to 10,128,101.16, 15,191,208.12 and 2,842,241.88 is: 4,263,098.01
Step by Step Solution
- Step 1: Write the proportion equation
10,128,101.16 : 15,191,208.12 = 2,842,241.88 : x - Step 2: Convert to fraction form
10,128,101.16/15,191,208.12 = 2,842,241.88/x - Step 3: Cross multiply
10,128,101.16x = 15,191,208.12 × 2,842,241.88 - Step 4: Simplify right side
10,128,101.16x = 43,177,087,926,460.06 - Step 5: Solve for x
x = 43,177,087,926,460.06/10,128,101.16 - Step 6: Final answer
x = 4,263,098.01
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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.