Finding the Fourth Proportional to 26,480,939.20, 39,758,733.60 and 16,403,243.20
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Solution
The fourth proportional to 26,480,939.20, 39,758,733.60 and 16,403,243.20 is: 24,627,985.12
Step by Step Solution
- Step 1: Write the proportion equation
26,480,939.20 : 39,758,733.60 = 16,403,243.20 : x - Step 2: Convert to fraction form
26,480,939.20/39,758,733.60 = 16,403,243.20/x - Step 3: Cross multiply
26,480,939.20x = 39,758,733.60 × 16,403,243.20 - Step 4: Simplify right side
26,480,939.20x = 652,172,176,564,811.50 - Step 5: Solve for x
x = 652,172,176,564,811.50/26,480,939.20 - Step 6: Final answer
x = 24,627,985.12
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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.