Finding the Fourth Proportional to 37,447,963.20, 56,171,944.80 and 31,779,259.20
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Solution
The fourth proportional to 37,447,963.20, 56,171,944.80 and 31,779,259.20 is: 47,668,888.80
Step by Step Solution
- Step 1: Write the proportion equation
37,447,963.20 : 56,171,944.80 = 31,779,259.20 : x - Step 2: Convert to fraction form
37,447,963.20/56,171,944.80 = 31,779,259.20/x - Step 3: Cross multiply
37,447,963.20x = 56,171,944.80 × 31,779,259.20 - Step 4: Simplify right side
37,447,963.20x = 1,785,102,793,567,292 - Step 5: Solve for x
x = 1,785,102,793,567,292/37,447,963.20 - Step 6: Final answer
x = 47,668,888.80
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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.