Finding the Fourth Proportional to 9,787,713.80, 14,681,570.70 and 7,268,289.80
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Solution
The fourth proportional to 9,787,713.80, 14,681,570.70 and 7,268,289.80 is: 10,902,434.70
Step by Step Solution
- Step 1: Write the proportion equation
9,787,713.80 : 14,681,570.70 = 7,268,289.80 : x - Step 2: Convert to fraction form
9,787,713.80/14,681,570.70 = 7,268,289.80/x - Step 3: Cross multiply
9,787,713.80x = 14,681,570.70 × 7,268,289.80 - Step 4: Simplify right side
9,787,713.80x = 106,709,910,566,788.86 - Step 5: Solve for x
x = 106,709,910,566,788.86/9,787,713.80 - Step 6: Final answer
x = 10,902,434.70
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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.