Finding the Fourth Proportional to 27,507,123.08, 37,960,740.17 and 15,117,655.54
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Solution
The fourth proportional to 27,507,123.08, 37,960,740.17 and 15,117,655.54 is: 20,862,864.95
Step by Step Solution
- Step 1: Write the proportion equation
27,507,123.08 : 37,960,740.17 = 15,117,655.54 : x - Step 2: Convert to fraction form
27,507,123.08/37,960,740.17 = 15,117,655.54/x - Step 3: Cross multiply
27,507,123.08x = 37,960,740.17 × 15,117,655.54 - Step 4: Simplify right side
27,507,123.08x = 573,877,393,933,501 - Step 5: Solve for x
x = 573,877,393,933,501/27,507,123.08 - Step 6: Final answer
x = 20,862,864.95
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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.