Finding the Fourth Proportional to 27,228,655.08, 37,576,331.46 and 15,006,299.40
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Solution
The fourth proportional to 27,228,655.08, 37,576,331.46 and 15,006,299.40 is: 20,709,127.15
Step by Step Solution
- Step 1: Write the proportion equation
27,228,655.08 : 37,576,331.46 = 15,006,299.40 : x - Step 2: Convert to fraction form
27,228,655.08/37,576,331.46 = 15,006,299.40/x - Step 3: Cross multiply
27,228,655.08x = 37,576,331.46 × 15,006,299.40 - Step 4: Simplify right side
27,228,655.08x = 563,881,680,242,399.12 - Step 5: Solve for x
x = 563,881,680,242,399.12/27,228,655.08 - Step 6: Final answer
x = 20,709,127.15
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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.