Finding the Fourth Proportional to 50,278,681.99, 75,404,259.60 and 13,878,370.63
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Solution
The fourth proportional to 50,278,681.99, 75,404,259.60 and 13,878,370.63 is: 20,813,756.85
Step by Step Solution
- Step 1: Write the proportion equation
50,278,681.99 : 75,404,259.60 = 13,878,370.63 : x - Step 2: Convert to fraction form
50,278,681.99/75,404,259.60 = 13,878,370.63/x - Step 3: Cross multiply
50,278,681.99x = 75,404,259.60 × 13,878,370.63 - Step 4: Simplify right side
50,278,681.99x = 1,046,488,261,809,535.50 - Step 5: Solve for x
x = 1,046,488,261,809,535.50/50,278,681.99 - Step 6: Final answer
x = 20,813,756.85
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1.5x scale
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.