Finding the Fourth Proportional to 27,191,701.07, 40,772,643.35 and 10,780,360.12
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Solution
The fourth proportional to 27,191,701.07, 40,772,643.35 and 10,780,360.12 is: 16,164,629.69
Step by Step Solution
- Step 1: Write the proportion equation
27,191,701.07 : 40,772,643.35 = 10,780,360.12 : x - Step 2: Convert to fraction form
27,191,701.07/40,772,643.35 = 10,780,360.12/x - Step 3: Cross multiply
27,191,701.07x = 40,772,643.35 × 10,780,360.12 - Step 4: Simplify right side
27,191,701.07x = 439,543,778,357,323.19 - Step 5: Solve for x
x = 439,543,778,357,323.19/27,191,701.07 - Step 6: Final answer
x = 16,164,629.69
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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.