Finding the Fourth Proportional to 18,329,393.79, 27,497,631.18 and 6,968,959.11
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Solution
The fourth proportional to 18,329,393.79, 27,497,631.18 and 6,968,959.11 is: 10,454,784.79
Step by Step Solution
- Step 1: Write the proportion equation
18,329,393.79 : 27,497,631.18 = 6,968,959.11 : x - Step 2: Convert to fraction form
18,329,393.79/27,497,631.18 = 6,968,959.11/x - Step 3: Cross multiply
18,329,393.79x = 27,497,631.18 × 6,968,959.11 - Step 4: Simplify right side
18,329,393.79x = 191,629,867,315,281.06 - Step 5: Solve for x
x = 191,629,867,315,281.06/18,329,393.79 - Step 6: Final answer
x = 10,454,784.79
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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.