Finding the Fourth Proportional to 12,993,840.68, 19,484,032.74 and 6,926,942.84
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Solution
The fourth proportional to 12,993,840.68, 19,484,032.74 and 6,926,942.84 is: 10,386,827.45
Step by Step Solution
- Step 1: Write the proportion equation
12,993,840.68 : 19,484,032.74 = 6,926,942.84 : x - Step 2: Convert to fraction form
12,993,840.68/19,484,032.74 = 6,926,942.84/x - Step 3: Cross multiply
12,993,840.68x = 19,484,032.74 × 6,926,942.84 - Step 4: Simplify right side
12,993,840.68x = 134,964,781,082,668.56 - Step 5: Solve for x
x = 134,964,781,082,668.56/12,993,840.68 - Step 6: Final answer
x = 10,386,827.45
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1.5x scale
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.