Finding the Fourth Proportional to 7,415,010.80, 10,403,410 and 7,415,010.80
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Solution
The fourth proportional to 7,415,010.80, 10,403,410 and 7,415,010.80 is: 10,403,410
Step by Step Solution
- Step 1: Write the proportion equation
7,415,010.80 : 10,403,410 = 7,415,010.80 : x - Step 2: Convert to fraction form
7,415,010.80/10,403,410 = 7,415,010.80/x - Step 3: Cross multiply
7,415,010.80x = 10,403,410 × 7,415,010.80 - Step 4: Simplify right side
7,415,010.80x = 77,141,397,506,828 - Step 5: Solve for x
x = 77,141,397,506,828/7,415,010.80 - Step 6: Final answer
x = 10,403,410
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.