Finding the Fourth Proportional to 17,684,661.78, 26,526,990.42 and 4,905,166.41
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Solution
The fourth proportional to 17,684,661.78, 26,526,990.42 and 4,905,166.41 is: 7,357,748.99
Step by Step Solution
- Step 1: Write the proportion equation
17,684,661.78 : 26,526,990.42 = 4,905,166.41 : x - Step 2: Convert to fraction form
17,684,661.78/26,526,990.42 = 4,905,166.41/x - Step 3: Cross multiply
17,684,661.78x = 26,526,990.42 × 4,905,166.41 - Step 4: Simplify right side
17,684,661.78x = 130,119,302,366,575.81 - Step 5: Solve for x
x = 130,119,302,366,575.81/17,684,661.78 - Step 6: Final answer
x = 7,357,748.99
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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.