Finding the Fourth Proportional to 7,447,315.40, 11,181,470.70 and 4,612,963.40
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Solution
The fourth proportional to 7,447,315.40, 11,181,470.70 and 4,612,963.40 is: 6,925,947.45
Step by Step Solution
- Step 1: Write the proportion equation
7,447,315.40 : 11,181,470.70 = 4,612,963.40 : x - Step 2: Convert to fraction form
7,447,315.40/11,181,470.70 = 4,612,963.40/x - Step 3: Cross multiply
7,447,315.40x = 11,181,470.70 × 4,612,963.40 - Step 4: Simplify right side
7,447,315.40x = 51,579,715,097,272.38 - Step 5: Solve for x
x = 51,579,715,097,272.38/7,447,315.40 - Step 6: Final answer
x = 6,925,947.45
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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.