Finding the Fourth Proportional to 37,972,995.62, 52,402,985.58 and 20,569,340.84
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Solution
The fourth proportional to 37,972,995.62, 52,402,985.58 and 20,569,340.84 is: 28,385,826.66
Step by Step Solution
- Step 1: Write the proportion equation
37,972,995.62 : 52,402,985.58 = 20,569,340.84 : x - Step 2: Convert to fraction form
37,972,995.62/52,402,985.58 = 20,569,340.84/x - Step 3: Cross multiply
37,972,995.62x = 52,402,985.58 × 20,569,340.84 - Step 4: Simplify right side
37,972,995.62x = 1,077,894,871,428,625 - Step 5: Solve for x
x = 1,077,894,871,428,625/37,972,995.62 - Step 6: Final answer
x = 28,385,826.66
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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.