Finding the Fourth Proportional to 84,372,681.99, 126,517,156.52 and 26,857,476.12
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Solution
The fourth proportional to 84,372,681.99, 126,517,156.52 and 26,857,476.12 is: 40,272,887.26
Step by Step Solution
- Step 1: Write the proportion equation
84,372,681.99 : 126,517,156.52 = 26,857,476.12 : x - Step 2: Convert to fraction form
84,372,681.99/126,517,156.52 = 26,857,476.12/x - Step 3: Cross multiply
84,372,681.99x = 126,517,156.52 × 26,857,476.12 - Step 4: Simplify right side
84,372,681.99x = 3,397,931,509,871,915 - Step 5: Solve for x
x = 3,397,931,509,871,915/84,372,681.99 - Step 6: Final answer
x = 40,272,887.26
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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.