Finding the Fourth Proportional to 7,545,158.51, 10,412,320.37 and 4,107,398.63
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Solution
The fourth proportional to 7,545,158.51, 10,412,320.37 and 4,107,398.63 is: 5,668,210.99
Step by Step Solution
- Step 1: Write the proportion equation
7,545,158.51 : 10,412,320.37 = 4,107,398.63 : x - Step 2: Convert to fraction form
7,545,158.51/10,412,320.37 = 4,107,398.63/x - Step 3: Cross multiply
7,545,158.51x = 10,412,320.37 × 4,107,398.63 - Step 4: Simplify right side
7,545,158.51x = 42,767,550,350,260.50 - Step 5: Solve for x
x = 42,767,550,350,260.50/7,545,158.51 - Step 6: Final answer
x = 5,668,210.99
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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.