Finding the Fourth Proportional to 19,903,698.07, 27,456,568.86 and 13,697,971.06
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Solution
The fourth proportional to 19,903,698.07, 27,456,568.86 and 13,697,971.06 is: 18,895,950.11
Step by Step Solution
- Step 1: Write the proportion equation
19,903,698.07 : 27,456,568.86 = 13,697,971.06 : x - Step 2: Convert to fraction form
19,903,698.07/27,456,568.86 = 13,697,971.06/x - Step 3: Cross multiply
19,903,698.07x = 27,456,568.86 × 13,697,971.06 - Step 4: Simplify right side
19,903,698.07x = 376,099,285,651,177.19 - Step 5: Solve for x
x = 376,099,285,651,177.19/19,903,698.07 - Step 6: Final answer
x = 18,895,950.11
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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.