Finding the Fourth Proportional to 19,893,628.69, 27,453,208.86 and 11,072,890.08
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Solution
The fourth proportional to 19,893,628.69, 27,453,208.86 and 11,072,890.08 is: 15,280,589.02
Step by Step Solution
- Step 1: Write the proportion equation
19,893,628.69 : 27,453,208.86 = 11,072,890.08 : x - Step 2: Convert to fraction form
19,893,628.69/27,453,208.86 = 11,072,890.08/x - Step 3: Cross multiply
19,893,628.69x = 27,453,208.86 × 11,072,890.08 - Step 4: Simplify right side
19,893,628.69x = 303,986,364,050,062.12 - Step 5: Solve for x
x = 303,986,364,050,062.12/19,893,628.69 - Step 6: Final answer
x = 15,280,589.02
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.