Finding the Fourth Proportional to 13,248,491.72, 19,860,959.75 and 5,159,598.44
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Solution
The fourth proportional to 13,248,491.72, 19,860,959.75 and 5,159,598.44 is: 7,734,810.80
Step by Step Solution
- Step 1: Write the proportion equation
13,248,491.72 : 19,860,959.75 = 5,159,598.44 : x - Step 2: Convert to fraction form
13,248,491.72/19,860,959.75 = 5,159,598.44/x - Step 3: Cross multiply
13,248,491.72x = 19,860,959.75 × 5,159,598.44 - Step 4: Simplify right side
13,248,491.72x = 102,474,576,817,900 - Step 5: Solve for x
x = 102,474,576,817,900/13,248,491.72 - Step 6: Final answer
x = 7,734,810.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.