Finding the Fourth Proportional to 26,386,014.26, 39,578,460.86 and 7,216,771.34
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Solution
The fourth proportional to 26,386,014.26, 39,578,460.86 and 7,216,771.34 is: 10,825,003.70
Step by Step Solution
- Step 1: Write the proportion equation
26,386,014.26 : 39,578,460.86 = 7,216,771.34 : x - Step 2: Convert to fraction form
26,386,014.26/39,578,460.86 = 7,216,771.34/x - Step 3: Cross multiply
26,386,014.26x = 39,578,460.86 × 7,216,771.34 - Step 4: Simplify right side
26,386,014.26x = 285,628,701,835,909.38 - Step 5: Solve for x
x = 285,628,701,835,909.38/26,386,014.26 - Step 6: Final answer
x = 10,825,003.70
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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.