Finding the Fourth Proportional to 19,326,439.35, 26,668,900.94 and 11,377,720.08
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Solution
The fourth proportional to 19,326,439.35, 26,668,900.94 and 11,377,720.08 is: 15,700,320.38
Step by Step Solution
- Step 1: Write the proportion equation
19,326,439.35 : 26,668,900.94 = 11,377,720.08 : x - Step 2: Convert to fraction form
19,326,439.35/26,668,900.94 = 11,377,720.08/x - Step 3: Cross multiply
19,326,439.35x = 26,668,900.94 × 11,377,720.08 - Step 4: Simplify right side
19,326,439.35x = 303,431,289,679,680.25 - Step 5: Solve for x
x = 303,431,289,679,680.25/19,326,439.35 - Step 6: Final answer
x = 15,700,320.38
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1.5x scale
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.