Finding the Fourth Proportional to 47,125,862.76, 65,034,079.20 and 26,499,128.52
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Solution
The fourth proportional to 47,125,862.76, 65,034,079.20 and 26,499,128.52 is: 36,569,015.86
Step by Step Solution
- Step 1: Write the proportion equation
47,125,862.76 : 65,034,079.20 = 26,499,128.52 : x - Step 2: Convert to fraction form
47,125,862.76/65,034,079.20 = 26,499,128.52/x - Step 3: Cross multiply
47,125,862.76x = 65,034,079.20 × 26,499,128.52 - Step 4: Simplify right side
47,125,862.76x = 1,723,346,422,900,658.75 - Step 5: Solve for x
x = 1,723,346,422,900,658.75/47,125,862.76 - Step 6: Final answer
x = 36,569,015.86
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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.