Finding the Fourth Proportional to 47,564,807.71, 65,638,318.25 and 27,986,964.14
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Solution
The fourth proportional to 47,564,807.71, 65,638,318.25 and 27,986,964.14 is: 38,621,353.63
Step by Step Solution
- Step 1: Write the proportion equation
47,564,807.71 : 65,638,318.25 = 27,986,964.14 : x - Step 2: Convert to fraction form
47,564,807.71/65,638,318.25 = 27,986,964.14/x - Step 3: Cross multiply
47,564,807.71x = 65,638,318.25 × 27,986,964.14 - Step 4: Simplify right side
47,564,807.71x = 1,837,017,259,072,657.50 - Step 5: Solve for x
x = 1,837,017,259,072,657.50/47,564,807.71 - Step 6: Final answer
x = 38,621,353.63
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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.