Finding the Fourth Proportional to 26,386,012.76, 39,578,458.61 and 7,216,769.84
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Solution
The fourth proportional to 26,386,012.76, 39,578,458.61 and 7,216,769.84 is: 10,825,001.45
Step by Step Solution
- Step 1: Write the proportion equation
26,386,012.76 : 39,578,458.61 = 7,216,769.84 : x - Step 2: Convert to fraction form
26,386,012.76/39,578,458.61 = 7,216,769.84/x - Step 3: Cross multiply
26,386,012.76x = 39,578,458.61 × 7,216,769.84 - Step 4: Simplify right side
26,386,012.76x = 285,628,626,230,485.94 - Step 5: Solve for x
x = 285,628,626,230,485.94/26,386,012.76 - Step 6: Final answer
x = 10,825,001.45
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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.