Finding the Fourth Proportional to 26,749,299.12, 36,914,460.12 and 15,146,548.08
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Solution
The fourth proportional to 26,749,299.12, 36,914,460.12 and 15,146,548.08 is: 20,902,478.32
Step by Step Solution
- Step 1: Write the proportion equation
26,749,299.12 : 36,914,460.12 = 15,146,548.08 : x - Step 2: Convert to fraction form
26,749,299.12/36,914,460.12 = 15,146,548.08/x - Step 3: Cross multiply
26,749,299.12x = 36,914,460.12 × 15,146,548.08 - Step 4: Simplify right side
26,749,299.12x = 559,126,645,054,822.56 - Step 5: Solve for x
x = 559,126,645,054,822.56/26,749,299.12 - Step 6: Final answer
x = 20,902,478.32
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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.