Finding the Fourth Proportional to 13,247,963.36, 19,851,665.88 and 8,913,963.68
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Solution
The fourth proportional to 13,247,963.36, 19,851,665.88 and 8,913,963.68 is: 13,357,300.58
Step by Step Solution
- Step 1: Write the proportion equation
13,247,963.36 : 19,851,665.88 = 8,913,963.68 : x - Step 2: Convert to fraction form
13,247,963.36/19,851,665.88 = 8,913,963.68/x - Step 3: Cross multiply
13,247,963.36x = 19,851,665.88 × 8,913,963.68 - Step 4: Simplify right side
13,247,963.36x = 176,957,028,641,815.22 - Step 5: Solve for x
x = 176,957,028,641,815.22/13,247,963.36 - Step 6: Final answer
x = 13,357,300.58
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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.