Finding the Fourth Proportional to 7,767,567.99, 10,723,836.69 and 6,905,743.71
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Solution
The fourth proportional to 7,767,567.99, 10,723,836.69 and 6,905,743.71 is: 9,534,009.60
Step by Step Solution
- Step 1: Write the proportion equation
7,767,567.99 : 10,723,836.69 = 6,905,743.71 : x - Step 2: Convert to fraction form
7,767,567.99/10,723,836.69 = 6,905,743.71/x - Step 3: Cross multiply
7,767,567.99x = 10,723,836.69 × 6,905,743.71 - Step 4: Simplify right side
7,767,567.99x = 74,056,067,769,034.72 - Step 5: Solve for x
x = 74,056,067,769,034.72/7,767,567.99 - Step 6: Final answer
x = 9,534,009.60
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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.